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1 definition by Surfingarbo

Fat Man Pants are an informal variety of trousers intended for comfort or athletic purposes. Often worn by students in college from mainly American branded shops.
John: I'm sick of these jeans, might lash on the old fat man pants later.
Buckley: Ah good idea John. My mother packed my bag so I don't have fat man pants with me.
by Surfingarbo June 08, 2010
25 3