Dirty Billy

When you cum on the upper lip of your partner, extract pubic hair from yourself and apply it to them.

Since its movember, I'm gonna give my girlfriend a dirty billy today.

by mjens May 14, 2016

Dirty Billy

When a man inserts his penis into the mouth of a large mouth bass then removes it and inserts it into a woman's mouth as a form of punishment. Billy is a reference to the big mouth Billy ornament.

"Yeah she cheated on me so I gave her a Dirty Billy"

by Big Mouth Billy June 14, 2018

Dirty Billy

when a sweaty Greek man inserts his cock into a sheep's ass while using a zooper dooper wrapper as a condom then after ejaculating 16 times the sheep becomes pregnant and shits out a middle aged black man.

I was really bored last night after my misso ate my mum so i did a dirty Billy.

by CumMuncher6969 May 23, 2023

Dirty Billy

When having sex with a lady friend you insert you finger into her bum hole and wipe it under her nose (see dirty sanchez) Later on - During the love making - While french kissing your lady friend you wonder - "What is that smell ?"

I gave her a "Dirty Billy" last night and I can still smell it.

by Will Hiver February 4, 2010

Dirty Billy

When a man is in a corner and you twerk on his dick until he gets hard or leaves.

Billy stop pulling a dirty Billy on me.

by Baseball Clark May 20, 2019

Dirty Billy

When a trans monkey sucks you off while dancing to never gonna give you up and then the monkey goes and spits your cum into a volcano and it erupts black babies.

hey i went to the jungle yesterday and did a dirty billy so i could have some dark food.

by CumMuncher6969 May 28, 2023

Dirty Billy

The act of a redneck getting their penis chopped off by a horse, and liking it.

Oh, you have a horse? I’m gonna pull a dirty billy.

by Billybigmac669 June 3, 2020