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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.
fatsack by nitterpixi August 6, 2010
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the sack on a fat person's body
That Man Has A Huge Fatsack.
fatsack by Caseyisforlosers32 April 29, 2006
A giant fat cat that sits and doesn't move until fed.
Man that is sure a fatsack, how often do you feed it?
Fatsack by CreepieCat October 20, 2020
Old timey New York slang for a wallet
As Nicky left the bathroom, he reached for his fatpack as he approached the store counter
Fatpack by Coolpunch September 10, 2009
I am just sitting here chillin' with a fat sack looking for someone to party with
fat sack by Lucyyfur June 21, 2005

Fat sack of shit 

A fat person who sit's around all day doing fuck all.
Hey Stephen get some work done you fat sack of shit

fartsack 

Sleeping bag (esp. a heavily-insulated military-issue bag)
fartsack by Alo Konsen September 15, 2003