look up any word, like blumpkin:
 
3.
the sack on a fat person's body
That Man Has A Huge Fatsack.
by Caseyisforlosers32 April 15, 2006
 
1.
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
 
2.
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
 
4.
otherwise known as tuckshop arms
'i have fat sacks under my biceps'
by Georgiona November 02, 2007
 
5.
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