buttcrack-plaque 

the filmy, moist, dead skin particles, that gets stuck underneath your fingernails when reaching inside your shorts to scratch that crack itch. this substance may perhaps be caused by sweat, forming a cream-like layer that can easily be removed.

bob: man i had the most insane itch in my crack and when i scratched it, there was a bunch of smelly gunk under my nails, i thought it was shit but it was like....soft dead skin..o_O

ned: yah man! looks like you got a case of bad buttcrack-plaque!

buttcrack-plaque by jameseepoo December 2, 2010

buttcrack buddies 

Men who wear their swim trunks so low that you can see the crack of their ass. They travel in packs, and common activities include surfing, trying to get laid, and smoking pot. Indigenous to Manuel Antonio Beach in Costa Rica.

Crikey! We have just spotted the native buttcrack buddies of Costa Rica! Look at those magnificent ass cracks!

buttcrack buddies by Tica July 27, 2006

buttcrack bandit 

an act durring intercourse when a male unknowingly inserts his penis in the females buttocks crack; all the while he believes his member is in the vagina.

P.J. Brunson chugged two forties and pumped her crack. He's a buttcrack bandit.

buttcrack bandit by Yuri Gellar November 8, 2003

buttcrack-shower 

(n.) The dredging of a damp washcloth through the butt cleavage, esp. in lieu of a full-body shower, or as an insurance policy against a messy or T.P.-intensive post-duke wipe-job.

1. "I could smell my ass, but I didn't have time for a full shower. So, I had to take a buttcrack-shower."

2. "My alarm clock didn't wake me up in time for my proctologist's appointment, so I had to make do with a buttcrack-shower before flying out the door."

3. "I don't know what I ate to have such ruthless mudbutt, but I'd nearly filled the toilet bowl with tissue from wiping so much, and there was still more shit than one wad could handle. So, I took a butt-crack shower."

buttcrack-shower by DJ Rick November 16, 2010

Buttcrack soufflé 

A childcare worker named Tyra.
A soufflé of buttcracks.

I made Tyra my buttcrack soufflé.

Buttcrack soufflé by Mohave July 3, 2019

buttcrack bandit 

When a male is trying to copulate with a female in the traditional way i.e (penis enters vagina) when a mistake in the placing of the penis results in the male thrusting in the buttcrack of the woman resulting in embarassment and no stimulation for the female.

Yeah I fucked her! Not like that asshole chuck who was drunk as shit and just pounded her poop gully. What a buttcrack bandit!

buttcrack bandit by acipi dobb November 10, 2003

Buttcrack Baby 

When a man ejaculates in a woman's butt crack

We're gonna make some buttcrack baby's tonight bitch!

Buttcrack Baby by Mr. Pooper sex January 30, 2010