In Dungeons and Dragons, a roll that adds to 20 only after adding your modifier. Used to differentiate from a nat 20, as that roll means automatic success, where as a Dirty Twenty may not.
by AZachOfTheClones April 14, 2020

Bitch who’s always horny and fantasizing about meeting one of the many men she finds on her books. Big ass fetish with accents and books psychopaths or sociopaths.
by whosbitching June 27, 2020

The act of inserting a thumb into the anus during intercourse. Inspired by the Happy Day's character,Arthur Fonzerelli, who was fond of giving the thumbs up and uttering "Aaaaaaa(nus)."
"We were doing it doggy style when Christian decided to give me a dirty fonzie! I felt so violated!!"
by Anala November 13, 2005

Referenced to driving a vehicle with any form of illegality;
1. Driving with an expired, suspended, or revoked license; or driving without a valid license or license plates.
2. Driving a vehicle with expired tags or failed inspection.
3. Driving a stolen vehicle.
4. Driving with unregistered guns in the vehicle.
5. Driving while intoxicated or under the influence.
6. Driving with illegal drugs/controlled substances in a vehicle.
1. Driving with an expired, suspended, or revoked license; or driving without a valid license or license plates.
2. Driving a vehicle with expired tags or failed inspection.
3. Driving a stolen vehicle.
4. Driving with unregistered guns in the vehicle.
5. Driving while intoxicated or under the influence.
6. Driving with illegal drugs/controlled substances in a vehicle.
Jason: The cops arrested me yesterday because I was riding dirty.
Chris: Why?
Jason: Because I had a sack of weed in the car.
Chris: Why?
Jason: Because I had a sack of weed in the car.
by krazykiki June 12, 2006

A crude sexual act where a woman tries to take a shit while the man shoves the turd back up into her ass with his dick.
This crazy bitch tried to give me a hot lunch, but I got the jump on her, and gave that turd the old dirty plunger right up the corn sleeve.
by Team Menard December 28, 2008

by Doctaa101 February 5, 2012

by TheFlyingGayIrishman December 21, 2018
