Prepping comes with its own set of terms, acronyms, and slang. Whether you’re new to the community or just need a refresher, this prepper dictionary breaks down the most common and useful terminology from A to Z. We’ve included gear, strategies, survival concepts, and more, so you can talk the talk and prep with confidence.
A
Alpha Strategy – A concept where you store physical goods (like food, tools, or ammo) instead of cash, to protect against inflation or economic collapse.
Alternate Location – A secondary place you can retreat to if home becomes unsafe. Often part of a bug-out plan.
Ammo Can – A secure, waterproof metal box used to store ammunition or other supplies.
AO (Area of Operations) – The area where you expect to operate during a crisis. Can refer to home, bug-out route, or destination.
B
Ballistic Wampum – Ammo stockpiled for trade or barter after a collapse.
Barter Economy – A trade-based system expected to arise if fiat currency fails. Preppers often store items with barter value.
BIB (Bug-In Bag) – A kit or set of supplies stored at home to help you ride out a disaster without leaving.
Black Swan Event – A rare and unexpected event with major consequences. Preppers often use the term to describe disasters that catch governments, businesses, and individuals off guard.
BOB (Bug-Out Bag) – A backpack packed with essentials for 72 hours, ready to grab in case you need to evacuate fast.
BOL (Bug-Out Location) – A place you’ve prepared to retreat to, often rural and well-stocked.
BOV (Bug-Out Vehicle) – A vehicle outfitted for evacuation, ideally capable of carrying people and supplies over rough terrain.
Bugging In – Staying at home to ride out a disaster, often more practical than bugging out.
Bugging Out – Leaving your current location due to immediate threat or instability.
C
Cache – Hidden stash of supplies, usually buried or disguised for later retrieval.
CB Radio – Citizens Band radio. Used for short-distance emergency communication.
CME (Coronal Mass Ejection) – A solar flare that can damage electrical grids and electronics.
Comfort Items – Non-essential but morale-boosting supplies like chocolate, coffee, or books.
Comms – Communications gear or strategy. Often includes radios, signal mirrors, or pre-arranged messages.
Community Resilience – The ability of a community to withstand, adapt to, and recover from disasters. Can include local skills, resources, infrastructure, and social networks.
Concealed Carry – The legal act of carrying a hidden firearm for self-defense.
D
Deep Pantry – A food storage strategy where you stock larger quantities of foods you regularly eat and rotate them through normal use, rather than storing separate emergency supplies.
DIY Prep – Do-it-yourself prepping, often involving homemade gear, storage solutions, or repairs.
Dry Run – A full or partial test of your preps or bug-out plan to identify problems before a real crisis.
Doomstead – A home or retreat location that’s heavily fortified and stocked in preparation for collapse.
E
E&E (Escape and Evasion) – A set of skills and techniques used to avoid capture, detection, or danger while moving through an area. Often associated with military training but also relevant to emergency evacuation.
EDC (Everyday Carry) – The items you carry daily for preparedness, like a multitool, flashlight, or small first aid kit.
EMP (Electromagnetic Pulse) – A burst of energy that can knock out electronics and power grids. Could be caused by nuclear weapons or solar activity.
EOTW (End of the World) – A general term for catastrophic events that permanently change society or civilization. Often used interchangeably with TEOTWAWKI.
Escape Route – A pre-planned and rehearsed way to leave an area quickly and safely.
F
Faraday Cage – A container that blocks electromagnetic fields, used to protect electronics from EMP damage.
FIFO (First In, First Out) – A food storage strategy where you use older supplies first to keep stock fresh.
Force Multiplier – A tool, tactic, or system that greatly boosts your effectiveness, like night vision or trained dogs.
G
Get-Home Bag – A small bag with essentials kept at work or in your vehicle, designed to help you get home during a disaster.
Genny – Slang for generator, often used for backup power.
GHB (Get-Home Bag) – See above.
GOOD (Get Out Of Dodge) – Slang for leaving an area quickly when conditions become dangerous or unstable. Often used as an alternative term for bugging out.
Gray Man / Grayman – Refers to blending into your surroundings and avoiding unwanted attention during normal life or emergencies.
Grid-Down – A scenario where the power grid fails completely.
Gray Man – Someone who blends in to avoid attention. A key OPSEC strategy.
H
HAM Radio – Long-range amateur radio system. Requires a license to operate legally in most cases.
Hardening – Strengthening your location or equipment to resist threats like break-ins or EMPs.
Homesteading – Self-sufficient lifestyle based around gardening, livestock, and off-grid living.
I
INCH Bag (I’m Never Coming Home) – A very large bug-out bag meant for long-term survival if return is not expected.
Isolation Protocols – Preplanned steps to separate yourself from threats like illness or contamination.
J
Jack of All Trades – A prepper who prioritizes general skills over specialization, useful in unpredictable crises.
K
KISS (Keep It Simple, Stupid) – A principle that reminds preppers not to overcomplicate systems or plans.
Kill Zone – A defensive term referring to an area covered by overlapping fields of fire.
L
Layered Security – A security approach that uses multiple defensive measures rather than relying on a single barrier. Examples include locks, lighting, cameras, alarms, and situational awareness.
LBE (Load Bearing Equipment) – Gear worn to carry weapons and supplies, often used in tactical setups.
LTS (Long-Term Storage) – Foods and supplies packaged to last for years or decades.
M
MAG (Mutual Assistance Group) – A small, trusted group of preppers who plan to work together during a crisis.
Martial Law – Government suspension of normal rights during an emergency. Often feared in SHTF scenarios.
Meds Cache – Stockpiled medical supplies, often including over-the-counter and prescription drugs.
MRE (Meal, Ready-to-Eat) – Pre-packaged military-style meals with long shelf lives.
N
NBC (Nuclear, Biological, Chemical) – Refers to types of weapons or hazards. Often used with ‘NBC gear’ like gas masks.
NODs (Night Optical Devices) – Night vision gear that gives a major edge in dark conditions.
O
Off-Grid – Living without public utilities like water, gas, or power.
OPSEC (Operational Security) – Strategies for keeping your preps, plans, and capabilities hidden from others.
P
Paracord – Strong, versatile cord often used in survival kits.
Perimeter Defense – Measures to detect or stop intruders at the edges of your property.
Prepper Pantry – A dedicated food storage system for emergencies.
PPE (Personal Protective Equipment) – Gear like gloves, masks, and goggles to protect from hazards.
Q
QRF (Quick Reaction Force) – A team or plan ready to respond rapidly to threats.
R
Radiological Event – Any situation involving harmful radiation, such as a nuclear accident or dirty bomb.
Red Teaming – The process of critically examining plans, preparations, or defenses by looking for weaknesses and potential failure points before a real emergency occurs.
Redoubt – A fortified rural retreat area. The American Redoubt is a movement to settle in specific inland states.
Resilience – The ability to adapt, recover, and continue functioning during and after difficult situations. In preparedness, resilience often matters more than simply stockpiling supplies.
Rule of Threes – Survival rule: 3 minutes without air, 3 hours without shelter in harsh weather, 3 days without water, 3 weeks without food.
S
Shelter In Place – Staying inside a secure location during an emergency rather than evacuating. Common examples include severe weather, chemical incidents, and some public safety emergencies.
SHTF (Shit Hits The Fan) – A major event that disrupts society and everyday life. Can range from grid failure to civil unrest or war.
Situational Awareness – Constant awareness of your surroundings and potential threats.
Solar Backup – Off-grid solar panels used for charging or power during outages.
Survival Cache – Hidden reserve of supplies, similar to a cache.
T
TACTICAL – Often misused, but generally refers to gear or actions focused on defense and efficiency.
Tactical Reload – The act of replacing a partially used magazine with a full one while retaining the remaining ammunition. The term is primarily associated with firearms training and defensive shooting.
TEOTWAWKI (The End Of The World As We Know It) – A total collapse of current systems and normal life.
Tinder – Material that catches fire easily, used to start a fire.
U
Urban Survival – Strategies specific to surviving in cities or high-density areas after collapse.
Utility Cutoff – The point where you lose access to public water, gas, or electricity.
V
Vehicle Preps – Modifying or stocking your vehicle for emergency use.
Victory Garden – A home-grown garden used to supplement or replace store-bought food.
W
WROL (Without Rule of Law) – A scenario where law enforcement no longer functions and people fend for themselves.
Water Purification – Methods to make water safe to drink, including filters, boiling, or chemical treatments.
Winter Prepping – Preparing for cold-weather challenges like heating, clothing, and food access.
X
X-Factor – An unpredictable or unknown element that could dramatically alter a survival scenario.
Y
YOYO (You’re On Your Own) – A phrase often used in the prepping community to stress self-reliance when systems fail.
Z
Zombie Apocalypse – A fictional but often-used metaphor for any total societal breakdown. Sometimes used to frame worst-case planning.