Although it was originally a typo of 'gay', it has been eventually used to describe existences that have transcended both time and space to a god-like status.
A: "Yesterday I thought it was a good idea to watch hentai in the public"
B: "Wait you don't usually watch hentai outdoors?"
A: "now that's gat"
slang term for the male reproductive organ. usually used when referring to a try hard or wanna-be
Bro Nate was gat riding so much today he was trying to act like him and get him to like him.
Acronym for Gin and Tonic.
I was drinking from a gat bucket last night but I couldn't handle the turkey basters anymore so I just made up a fresh one of my own.