1. Byproduct of male masturbation
How the fuck did I get jacksauce in my hair?!
by berserker256 May 16, 2003
Can you define these popular missing words?
Buttermilk sauce from Jack In The Box, jokingly refered to as Jack's seminal fluid.
"You got any extra Jack Sauce?"
by PseudoIntellectual December 28, 2003