Below you will find a glossary of terms that you may find helpful.
Analog - A tobacco cigarette.
Atomizer (aka atty) - The part that heats up the e-liquid and turns it into vapor.
Battery (aka Batt) - batteries used to run PV's
Blanks - Cartridges with dry filler material to be filled with e-liquid by the user. Also a cartridge with the filler material removed to be used as just a mouthpiece when dripping liquid.
Cartomizer - A type of cartridge that combines the cartridge and atomizer in one unit.
Cartridge (aka Cart) - The part that makes up the mouthpiece for the electronic cigarette and contains a reservoir with filler material to hold the e-liquid.
Chest/Lung Hit - Feeling in your chest of vapor filling it up (varies based on liquid content)
Cleaning Cycle - When the battery turns itself to a constant on for a period of 20-40 seconds to burn the residue off the atomizer (removing cartridge during this process prevents the polyfil from melting onto the atomizer)
Coil - The part inside the atomizer that heats up.
Core - A cartridge which has no e-liquid/juice in it. It is dry and can be filled with the juice of your choice.
Cut off - Battery shutdown to protect atomizer from overheating.
Dipping - The practice of dipping an exposed atomizer coil into e-liquid.
DIY - Do-It-Yourself
Dripping - The practice of dripping e-liquid directly onto the atomizer coil.
ECA - Electronic Cigarette Association
ECF - e-cigarette-forum.com is the most popular and widely populated forum about electronic cigarettes
E-cig - An electronic cigarette or personal vaporizer (PV)
E-liquid - The liquid used in an electronic cigarette to produce the vapor. (aka nic liquid, juice, e-juice, niquid, nic juice, etc...)
Electronic Cigarette - also known as E-cig & Personal Vaporizer (PV)
FDA - Food and Drug Administration
Kensington - Common model of Portable Power Pack used with a USB passthrough for portable long term vaping
Li-ion - Lithium ion batteries used in PV's
Manual Switch - Switch operated by user to turn battery power on/off
MC - Menthol Crystals which are used to make some e-liquids.
MG - Milligram (in this case refers to the amount of nicotine per milliliter of e-liquid.)
ML - Milliliter is a measure of e-liquid/juice
Mod - modification or moderator depending on context
Modder - One who modifies PV's
Nic - nicotine
NRT - Nicotine Replacement Therapy
Passthrough (PT) - A device that is used in place of a battery that connects to a USB outlet to draw power.
PCC - Personal Charging Case
PEG - polyethylene glycol
PG - propylene glycol
Polyfil - (aka stuffing/batting/fiber/wool) the material that fills the cartridge
Personal Vaporizer (PV) - An electronic cigarette/cigar/pipe/box/mod/stick which vaporizes e-liquid
RTV - RightToVape.org
RY4 - (aka riskee juice) is a very popular flavor which is often described as a mix of caramel and vanilla with a smokey flavor to it.
RYO - roll your own
Snus - nicotine tabs used as nicotine replacement
Throat Hit (TH) - Feeling in your throat caused by vapor being inhaled
(varies with nicotine level and liquid content/flavor)
Topping off - Putting more e-liquid in the cartridge you are using
USB Passthrough - (aka PT) is an empty battery which has a wire and a USB plug and runs off your computer's power or a portable power pack
Vaper - One that engages in vaping.
Vaping - The act of using an electronic cigarette.
Vapor - the smoke like emmision (steam) produced by using an electronic cigarette
VF - Vapersforum.com
VG - glycerine (vegetable glycerine)