dirty rossco 

fingering your bird and making a big deal about licking your fingers infront of her. its best to make some good noises to make the experience so much better

i gave my bird a dirty rossco last nite !

sweet, what noises you make ?

dirty rossco by riverbelow November 23, 2006

dirty rosso 

sneaking up on a sleeping roommate and stickin a zuchinni into the rectum with warming lubrication.

i gave my roommate a dirty rosso

dirty rosso by sean j November 26, 2003

Dirty Roscoe 

When a masculine female rocks a predominantly straight identified female's world for the first time.

I met a fine female at the club last night, ended up doing a Dirty Roscoe, and now she don't want to go back to her boyfriend.

Dirty Roscoe by Celest DeLoretto September 9, 2021

Dirty Rosston

When a dude from trinidad cheats on his wife with you and shits on your hotel room floor cuz he cant control his liquor

“I woke up to a dirty rosston today.”
-I hope you hired a cleaning service!

Dirty Rosston by Mike.n.ike420 May 29, 2023