Fat goat 

A fat goat is when someone or something is being really dumb, stupid, frustrating or anything like that.

I don’t wanna do this fat goat homework.

Fat goat by Fatgoatperson November 25, 2019

Fat goat 

A person, place or thing that is extremely uncool and disliked

“Did you hear that Ray is gay”
“Yeah, he’s such a fat goat”

—or—
“God I hate our math teacher”
“I know, right! She’s such a fucking fat goat, I hope she chokes on a pair of tits”

Fat goat by Corn man14 March 1, 2023