Not referring to an actual shower, "Sin Shower" is actually a term of endearment used for friend rituals. Such as when everyone is drunk as fuck or some idiots decide to hot box a tent their friend's parents need to use the next day.
Person A: "Dude, what happened yesterday?"
Person B: "It was one hell of a Sin Shower"
OR
Person A: "You know... I love you guys" *cries like a little bitch*
Person B: "Friends that Sin Shower together, stay together"
Karl: "Wtf is a Sin Shower"
Person B: "STFU KARL"
Person B: "It was one hell of a Sin Shower"
OR
Person A: "You know... I love you guys" *cries like a little bitch*
Person B: "Friends that Sin Shower together, stay together"
Karl: "Wtf is a Sin Shower"
Person B: "STFU KARL"
by GROOnpa January 12, 2022

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.
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 02, 2023

by sinnhr February 21, 2024

Another word for a penis.
In the eyes of God, if a man's penis is used for sexual intercourse before marriage, it's nothing more than a sin noodle.
by Bobby_McGeezer June 08, 2021

by TheSpartanicaOfAnyHellstromu3e April 28, 2025

by real human totally January 21, 2024
