Dirty Bull 

the act of inserting your fist into someones anus

i really gave seth killian a dirty bull last night

Dirty Bull by Balrogs ugly cousin April 10, 2010

Dirty Bull Nuts 

Noun : Dirty Bull Nuts
The dirty testicles of a longhorn bull.

That longhorn sure does have some dirty bull nuts!

"Screw that, man, you wrecked my car so you can suck dirty bull nuts, asshole," said johnny as he trekked off angrily.

Dirty Bull Nuts by Johnny [Jaywalker] February 4, 2009

Dirty Bullocks 

The act of ejaculating on a food item (typically a burrito) and throwing it at your friends car.

After a night of partying, someone gave Greg a Dirty Bullocks

Dirty Bullocks by troy horrowitz May 11, 2012

Dirty Bulldozer 

When a girl is on her back and you are done blowing a load on her, you climb off and drag your asshole across her nose.

After I squirted in her eye, I gave her a dirty bulldozer!

Dirty Bulldozer by A.M. MagicMan April 30, 2008

dirty bully 

When you bang a mom and steal her kid's lunch on the way out.

I stopped over at Sarah's during my lunch break and realized I wasn't going to have time to stop for lunch, and gave her the dirty bully.

dirty bully by White Feller April 27, 2017

Dirty Bullets

The ejaculate of a male afflicted with any sexually transmitted disease that is transmitted through semen.

Don't fuck that guy. He's shooting dirty bullets.

Dirty Bullets by FunnyMrBiggs July 2, 2016

Dirty Bullock 

The Dirty Bullock is somewhat similar in nature to a Dirty Sanchez. It differs only in that the female participant is a reasonably hot movie star and the male participant is a complete and total twat.

So . . . I hear Jesse gave Sandra the ol' Dirty Bullock the other night.

Dirty Bullock by Seagis April 6, 2010