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1 definition by Surfingarbo

 
1.
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