Au-Sin

The biological cousin that moreso performs or holds the role of an Aunt than a cousin to you.

Comes from the blending of Aunt + Cousin (Au from Aunt + Sin from Cousin)

Originates from the Midwest USA in 2020.

Hey, my Au-Sin is going to drop us off at the salon. Who? My cousin, but she's old enough to be my Aunt.

by Missing Apples 24 April 2, 2023

Cock au two

Flying "The Bird" (middle finger) with both hands at someone acting in a manner of dickishness.

My "cock au two" rose to the occasion when Vince decided to ditch out on the group during last night's pub crawl.

by DSMarauder March 27, 2011

Au Jus Renaissance

When you dip your fries in your leftover au jus and proceed to suck said jus out of the fry before biting.

“Mmmm, let’s go get beef dips! I’m in the mood for an Au Jus Renaissance!”

by anonymous February 26, 2023

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by TheGeneralGenitalsPranksterian May 13, 2025