by mitch6425 July 28, 2015

When you or your partner leave the room during sex and then re-enter by scurrying in on the floor and squeaking like a rat
by Jenny Taylor September 20, 2021

Attempting to mack on another person's significant other by talking bad about them behind their back.
If you've ever had a girlfriend/boyfriend leave you and hook up with your best friend, you can be sure some dirty macking was going on while you were dating your ex.
John: "I'll be right back guys"
Dirty Mackin' Bob: "So Cindy, did you hear how John was talking to that slut Suzy when you were out of town? He doesn't appreciate you."
Cindy, John's Girlfriend : "Don't try dirty macking on me just cause my boyfriend's not here. Aren't you supposed to be John's best friend?"
John comes back and slams dirty mackin' Bob in the face with a shovel
John: "I'll be right back guys"
Dirty Mackin' Bob: "So Cindy, did you hear how John was talking to that slut Suzy when you were out of town? He doesn't appreciate you."
Cindy, John's Girlfriend : "Don't try dirty macking on me just cause my boyfriend's not here. Aren't you supposed to be John's best friend?"
John comes back and slams dirty mackin' Bob in the face with a shovel
by Russ December 16, 2006

by Dasa fa tass April 14, 2020

The only reason Charlie keeps winning is he's just playing some dirty pool to create an advantage over his competition.
by GF Ed February 12, 2005

The act of receiving a blowjob while taking a shit on a make shift toilet made from an orange “Homer” 5 gallon bucket.
After work I got this dynamite broad to give me a Dirty Derby In my van behind the Arby’s ... Robble Robble Robble Robble
by ConcreteCartel August 5, 2020

A Dirty Rex is when you accidentally jam it into her ass and she goes “Eeeeeeaaaaaarrrrrggggggghhhhhhh!
I hit her with the Dirty Rex. I jammed it into her ass and she made the sound “Eeeeeeeaaaaaaarrrrrrgggggghhhhhhh!!!!!!” like the T-Rex in Jurassic park.
by Rexy And I Know It April 1, 2020
