Concepts and terminology

ADS
Aiming down sight to shoot.
Aggro
Drawing the attention of a mob, making it notice or engage you.
(Animation) cancelling
Stopping an animation by interrupting it with another move or ability.

Some cancels reduce the duration of moves or abilities that still complete, while others cancel moves or abilities before they perform their full function.

Examples cases include chaining combos in fighting games and reducing reload time in FPSes.

AOE
Area of effect: when an ability works or deals damage across a wider area.
F
Paying respects to the fallen.
Flick shot
Aiming and shooting someone with a rapid wrist or elbow movement.

(Compare to tracking.)

Hitbox
The specific size and shape of a damage-dealing move or projectile determining when and whether someone is hit.
Hurtbox
The specific size and shape of a character determining when and whether they are hit by a damage-dealing move or projectile.
Hitscan
Fired shots have no travel time nor curved trajectory; if nothing interferes with the path of the shot, the hit is confirmed.

(Compare to projectile.)

IGN
In-game name. (Or the website.)
Iframes1
Invulnerability frames are the duration of time or an animation where you don’t take damage.

Often used deliberately to evade attacks. Sometimes the only way to avoid them.

Jebaited
When someone or something pulls a fast one on you. Portmanteau of Alex Jebailey’s last name and “baited”.

Video explanation of Jebaited.

Kappa
Sarcastic and jocular indicator. Based on a Twitch emote with Josh DeSeno’s face.
Keepo
A variation of Kappa.
Kiting
Keeping mobs at a distance while you engage them.
KKona
Southern stereotype.
Kreygasm
An expression of a … certain kind of excitement. Based on a Twitch emote with Hassan Bokhari’s face.
Lag switching
Deliberately taking advantage of netcode that favours high ping.
LOS
Line of sight. Having unobstructed vision of someone. Also used as a verb.
MLG
High-skill gameplay in reference to the Major Gaming League.
Noscope
Shooting someone dead without ADSing or scoping, ie while hipfiring.
O7
Salute emote.
PMA
Positive mental attitude. Not being toxic in videogames. Often used sarcastically.
PogChamp
An expression of excitement or cheering someone on. Based on a Twitch emote with Gootecks’s face. Also used colloquially as Pog and Poggers.
Projectile
Fired shots have travel time and, usually, curved trajectories.

(Compare to hitscan.)

Tracking
Aiming and hitting someone by following them with your FPS cursor.

(Compare to flick shot.)

TTK
Time to kill someone with sustained attacking.

For a broader list of terms and concepts, check Wikipedia’s list.

  1. I(-)frames mean something very different in the context of video compression. ↩︎