Deoblo

Adjective: someone (especially female) who sucks ass at online games.

Noun: a girl who plays online games but sucks ass and tends to try to blame others for her mistakes.

Verb: to fuck up at an online game.

Noun: I don't want to play with Deoblo ever again.

Adjective: gtfo you fucking Deoblo

Verb: wow you really Deoblo'ed that game fag.