In short and simple terms, "gib" is a term often used online in video game communities to refer to the act of killing someone quickly or easily.
Sentences with «gib»
Fans of DOOM can run amok using DOOM Slayer's active ability, Berserk — smashing enemies into bloody piles of gibs with his bare hands. (gamespace.com)
It's super-dense ball of pure «Hell Energy» cuts through even the toughest foe, and creating a cloud of ludicrous gibs in the process. (warpzoned.com)
Don t be too harsh on Gibs, the lad has too few games, you can forgive him for a mediocre performance. (justarsenal.com)