Top Definition
Another term for a sack of potatoes.
The potato-sac had 32 potatoes in it.
by word authority June 19, 2016
What you claim to have done after banging a chick really hard. So hard that it feels like you beat her with a potato sac.
Hey Bill, i gave this slut the potato-sac so hard last night that i had ruptured some capillaries on the head of my penis.
by raemond December 30, 2005
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