Definitions by Wausomeness

beefsac 

A disproportionately large group of muscles on the body. Usually grotesque. Imagine a lumpy, laundry bag of meat in human form; that's a beefsac.
Can also be spelled 'beefsack'

That dude from Ghost Adventures is a beefsac.

beefsac by Wausomeness October 12, 2012