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"
(noun)
1. A sexual position in which one partner lies face-up while the other straddles their head, allowing their testicles to rest in the partner's mouth; they then ejaculate, showering the partner's breasts with cum.
(verb)
2. To give someone a teabag showering; to perform the act of straddling a partner's head, allowing one’s testicles to rest in their mouth before ejaculating onto their chest.
She laid back and invited him to give her a Teabag Shower.
He got into position to give her a good teabag showering.
This is in reference to doing something that is self-destructive. Farting in the shower does nothing but make your life unpleasant.
Bucky: "Hey! Did you hear about Andy? "
Lewis: "Nope. Is he in the clink?"
Bucky: "Nah, he asked out Marcia when Scott was right there. Totally farting in the shower. Scott slammed him into the wall and then spit on him. A real dick move. It's like he wants to ruin his own life more than we do..."
The mass of hair, conditioner, and other fluids that accumulate in a shower drain as a result of having long hair.
Man: “Gross, look at what I pulled out of the drain. How do I have any hair left?”
Woman: “It’s called a shower squid, embrace it!”
When an elderly male receives a rather large facial from a fertile young stud, precisely a young man that is still in highschool
“Ricky performed a Baby Shower on his distant uncle a day prior to his highschool prom”
the act of ejaculating on your partners hair, then they proceed to rub it in like shampoo
That dude Bailey gave Lexi the baby shower, after the movie
When you pull out and cum on her head
"omg girl, so jack and i were fucking and he was about to get off inside me. Instead, he pulled out and shot his wad in my hair!"
"Eeew so he gave you a baby shower?!"