Zaglafrag

A zaglafrag is a person who is really really bad at playing any sort of games, but think they're the best player in the entire galaxy, and decided to flex their "Gaming Capability", knowing well a newborn monkey can beat them.

Player 1: OMG! I'M NOT BAD, THE INTERNET JUST SUCKS!

Player 2: *Whispers to player 3* he is such a zaglafrag.

Player 3: I know right...