2 definitions by Johnathan Sia

the light, creamy sweat layer that accumulates on a man's testicles when they are in a heated environment, such as tighty-whities or tight sweatpants.
"Hey Justin, check out my bag butter - it's like Land-O-Lakes!"
by Johnathan Sia February 11, 2007
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n. a hefty, stocky man with extra flesh around the back of his neck (i.e. the "sausage effect") and excess fat on or around the waistline.
Celebrity Chubbrocks:
Jon Favreau
Uncle Johnny - "Hey, man"
Jeff Greene from "Curb Your Enthusiasm"

by Johnathan Sia February 11, 2007
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