dirty eight 

A sex position involving wearing moon boots and being upside down.

I did the dirty eight with my one night stand last night

dirty eight by iamforreal January 17, 2015

dirty eight ball 

The act of positioning ones self and exposing ones genitals to distract an opposing player that is engaged in shooting the eight ball in a game of bar pool.

Egan: Hey did you win that game?
Ray: Yeah, guy was going for the win so I gave him a dirty eight ball and he scratched!
Egan: Haha fuckin right!
Ray: Fuckin A, I won two bucks!

dirty eight ball by Wheels45 July 9, 2017

dirty eight thirty 

Phrase used to describe the North American 830 area code covering Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet, Caldwell, Comal, De Witt, Dimmit, Edwards, Frio, Gillespie, Guadalupe, Karnes, Kendall, Kerr, La Salle, Live Oak, Llano, Maverick, Medina, Real, Uvalde, Val Verde, Wilson, and Zavala counties.

"Hey foo, where you from?"
"Tha dirty eight thirty nagga!"

"Dont mess with that playa, he's from the dirty eight thirty."

dirty eight thirty by T.Y. - PT May 24, 2008

DirtyEight 

Refers to the 38 San Francisco Muni Bus that runs along Geary. Known for being frequented by unhygenic riders

Yo you down to hop the dirtyeight and head down town? Nah I just did my laundry

DirtyEight by dunnodiddims November 28, 2018