Garbage Ass Trashbagger

An adjective typically used to describe someone who is both inept and useless at video games or any form of competition in such a way that it causes severe anger to those involved with said described person.

(The Garbage Ass Trashbagger gets bodied within 5 seconds)

Steve: This guy sucks at this game
James: Did he really lose that quick?! This guy is a straight up Garbage Ass Trashbagger