by Lucyyfur June 21, 2005
by Lade1020 March 02, 2008
when a skinny person who doesnt normally have boobs gets fat and therefore has sacks of fat hanging off their chest
by Ryankensington November 25, 2015
by Marvinhanovver August 21, 2009
by Georgiona November 23, 2007
When a male inserts his penis AND testicles into the urethra of another male, causing the receiving male to have a "fat sack".
Guy 1: Honey,I want myself in you, but I'm tired of just anal
Guy 2:Okay, let's give me the fat sack.
Guy 2:Okay, let's give me the fat sack.
by Ballsballsballssack February 22, 2010
by Daddy Fat Sacks June 05, 2003