Funk Dungus

A calm, neutral reaction given in voice chat by a player who was killed in-game.

Team 1 Player: Hey, I just got a kill on Team 2!
Team 2 Player: Funk Dungus dude.

Goneo

Another way to say "gone."

Used in comedic context, usually as an independent response to something.

Person 1: I swear my chair just disappeared. How could I misplace something like that?
Person 2: Hehe, goneo.