What is Side Sauce?
1.
<noun>
Any guy or girl that you fuck with on the side while in a relationship, anyone other than your significant other. Side sauce commonly does not know you are in a relationship or thinks that you are in a relationship with them.
Heather: "Who's the linebacker with the pretty mouth, is that your boy?"
Crissy: "Nah he's just side sauce."
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1.
a gimmer that has magical powers descending from outer space
"hey man, did u see that magic gimmer the other day. fuck me he was m..