Slip In Butt 

When your doing a girl from behind and you "accedently" slip into her butt. Afterwards tell her to walk it off.

Tom gave Denise the slip in butt last night, now hes sleeping on the couch for the next week.

Slip In Butt by asexybum December 2, 2007

Slip in the shower

A phrase used to describe an accidental death. It may be used to describe a premeditated murder coverup

If you don't like him that much, we can always make him slip in the shower

Slip in the shower by Whiskey_ June 19, 2021

slip in your truth 

(v.) To see the oneself as they are instead of through the personal narrative one constructs about themselves.

I told my girl, “you are mean! You’re not being funny or wry, you’re just a mean girl.” She started crying and said “maybe I am too harsh.” That’s when her friends jumped in and said “don’t slip in your truth girl,” and called me an asshole.

slip in your truth by Pnw2mpls May 5, 2023

slip in slide 

When she is is wet you slide right in without needing to lube it up

Man she was a slip in slide last night after the movie

slip in slide by Gagmaster5000 June 14, 2017

Slip in the shower

A phrase used for creatively saying “die.” You tend to use this word when someone is being a dickhead, and you are pissed off with them.

“You are telling me to die?” “How about slip in the shower!”

Slip in the shower by I have die January 25, 2020

the hoskins slip in slide 

When a girl gets spread eagle at the end of a slip in slide and a bunch of guys slide naked and try to penetrate the girl.

paul wall one the hoskins slip in slide at the freshman retreate.

the hoskins slip in slide by woo town September 11, 2006

New Mexico Slip-in-slide 

The practice of pissing into someones anus, then forcefully fisting said anus.

Jessica's suggestion of trying a New Mexico Slip-in-slide on Brandon was the final straw in their relationship.

New Mexico Slip-in-slide by ForidaMan October 19, 2015