A water filled bag used to add ballast to boats in order to produce a larger wake. This enables wakeboarders to get more air.
The Fat Sac ads up to 600 pounds of weight to your boat.
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An exceptionally large scrotum.
DAMN!!!!! DAT fool's got a FAT SAC!!!!
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when a panacake feels horny towards a peice of bacon usually ending in greasy pancakes
#1oo look my foods having super fat hap sac
#2 look at the bacon and pancake having super fat hap sac
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