Clyde: Man this beer tastes great, I'll probably drink a million of these tonight.
Rusty: Hey take it easy man, your ETPO is gonna be like midnight, you know if you pass out too early we're gonna smoke all your shitty ass weed with out you.
Derived from the attitude of a specific personality type. Personified by arrogance, cockyness, and a desire to be liked by others through using degrading and childish humor that no one really thinks is funny.
Dude, stop acting like ETP1ayer.
That was so ETP1ayerish of you. Are you trying to get banned?
Stop being so ETP1ayered before you get your arsekicked.