Like adrenaline, party sauce is what runs through your veins when you know it's time to party.
"I've got the party sauce in me tonight, brah."
by Big Dik Dollaz May 8, 2008
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when you mix ketchup and mayonnaise. It is so good you feel a party going on in your mouth, hence "party sauce".
"Bruh have tried party sauce?"

"ketchup and mayo? that shit is dope"
by baechesterman December 6, 2015
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A gathering with which a sauce is consumed by all partygoers. The sauce is produced by mixing the poop, pee, and seminal fluids of 3 virgin boys
"Hey Brytney, you coming to the sauce party later?"

"Yes, I am very excited because I heard that Cooper is one of the 3 contributors to the sauce tonight"
by errrrrzyzyh October 23, 2022
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When you had such a “good time” you express it with white confetti that somehow comes out your jillyhole
I was talking with this silly lady and she touched my inner thigh and party sauce went everywhere including my eye ewww Party Foul am I right heehee
by Say Whaaaatt! July 17, 2023
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