An abbreviation for "Greatest Of All Time".
"Ronaldo is the GOAT of soccer!"
A man whore who has the facial hair, of a goat.
Omg, he's such a promiscuous goat, he needs to shave his face...off.
Noun - When you and your partner, sit ass to ass, and she reaches between her legs and pulls your balls towards her and proceeds to shit and piss on your balls.
Megan was bored with her usual fecal play, so she went ass to ass with her man and gave him a muddy goat.