Fentanyl, or fent, used to refer to a street opiate stronger than heroin. Thought to be a mistaken pronunciation of “fent” as in “fet-a-nyl”. Also called fetty for the same reason.
Referring to boba fett’s luck. Fett is typically very unfortunate in many Star Wars movies, so when you’re having a bad day, wearing a “fet’s luck” shirt will let your fellow Star Wars fans know you’re having a rough day.
Hey look! That’s Tim, he is wearing a fet’s luck shirt... poor dude, must be having a terrible day!
Someone or something that’s either fat or cute. For example, a dog with rolls in it’s skin would be considered fet either because it’s overweight or mad cute.
Line Boi: “Hey Pook, look at this fet boi, hehe”
Pook: “Bader (a very fet dog boi) is my favoritedoggie!”