Top Definition
A horribly fat person that is rude and lives in a basement or trailer.
Joe: Dude my buddies girlfriend is a Fatty Mcgoo.

Bob: Shitty deal dude.
#fatty #mcgoo #rude #bitch #douchebagette
by Wicked Cool awsome MAN!!! May 22, 2009
5 Words related to Fatty Mcgoo
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