A lot of money in your pocket for spending.
I wish my parents had a fat sack like Jay-Z.
by Lade1020 March 02, 2008
a large baggie of marijuana
I am just sitting here chillin' with a fat sack looking for someone to party with
by Lucyyfur June 08, 2005
fatsack: n. (pronunciation: fat-sak) One who is lazy, careless or irritable. The word also commonly refers to someone who eats food excessively, obsessively, or unnecessarily.
"You're such a fatsack," Denise told Leroy emphatically when she saw him eating a third serving of pie while sitting lazily on the couch.
by nitterpixi August 06, 2010
the sack on a fat person's body
That Man Has A Huge Fatsack.
by Caseyisforlosers32 April 15, 2006
otherwise known as tuckshop arms
'i have fat sacks under my biceps'
by Georgiona November 02, 2007
when a skinny person who doesnt normally have boobs gets fat and therefore has sacks of fat hanging off their chest
I never used to have boobs, then i got fat and now i have fat sacks
by Ryankensington November 25, 2015