This list will attempt to explain some of the more common jargon found within WoWP that is not always readily apparent to the newer player.
AA - Anti-Aircraft gun, same as AAA. The yellow triangles on the ground that shoot at opposing airplanes.
AAA - Anti-Aircraft Artillery, same as AA. The yellow triangles on the ground that shoot at opposing airplanes.
BnZ - See Boom and Zoom
Boom and Zoom - Airplane or play style that uses high altitude and diving attacks to engage enemy planes.
GA - Ground Attack aircraft
GT - Ground target
HF - Heavy Fighter
LF - Light Fighter
MRF - Multi-Role Fighter
Lemming Train - When most (or all) of the planes in one team simply follow other planes in one direction and engage the opposing force one at a time.
MM - Match Maker - the system used for building teams in public matches. It is a sophisticated algorithm that follows a set of rules to select teams from the "wait" queue that are as evenly balanced as possible. Teams "matched" are dependent on the planes in the "wait" queue and.
Mod - A WoWP in-game or forum moderator, or a visual or audio modification to one's game client.
Nerf - To weaken an equipment, vehicle, or module by modifying its stats. It's done by programmers to rebalance anything they feel is too powerful and thus unbalanced.
NS - Nice shot
o7 or o> - Salute. Often used to greet friends and fellow clan members. The "o" represents a person's head, and the "7" or ">" represents the person's arm, making the salute.
Seal Clubber - A player, who despite having many battles, still plays mostly low tier vehicles.
Team Killer - Someone who deliberately kills or damages a friendly plane.
TnB - See Turn and Burn
Turn and Burn - An airplane or play style that uses manuverability to engage enemy planes.