When a man has sex with numerous women without protection and not caring about passing along infections or diseases.
I had sex with Scott on the weekend that had sex with Dawn last weekend now I have his Dirty dick syndrome.
by Meathead MacDonald May 15, 2018

by Fuchs Funny September 2, 2020

by Hammyboi69 April 7, 2017

A threesome that involves two guys & one girl, where one guy dresses as a fireman, & the other guy dresses as a dentist.
Derek from the Billy Madison Show loves fireman, & wants The New Dirty Derek with his chick & Everett.
by L. Jefe June 11, 2018

An area code belonging to the western Chicago suburbs refered to by residents as "the dirty six-thirty". Towns included in the 630 include: Addison, Aurora, Bartlett, Batavia, Bensenville, Bloomingdale, Bolingbrook, Carol Stream, Clarendon Hills, Darien, Downers Grove, Elmhurst, Geneva, Glen Ellyn, Glendale Heights, Hanover Park, Hinsdale, Itasca, Lemont, Lisle, Lombard, Naperville, Oak Brook, Oswego, Roselle, St. Charles, Streamwood, Villa Park, Warrenville, West Chicago, Westmont, Wheaton, Willowbrook, Winfield, Wood Dale, Woodridge, Yorkville.
It's a virtual Sodom and Gomorrah.
It's a virtual Sodom and Gomorrah.
by Indy's brother October 19, 2010

Christina was so drunk, that she was throwing up into the toilet. Dan came from behind, saw the excellent opportunity, and immediately commenced in doing the Dirty Dan.
by bobisocks April 8, 2012

1) when a girl farts in her hand and rubs it in her eye
2) when a girl shits on her hand and rubs it on her face while smiling
2) when a girl shits on her hand and rubs it on her face while smiling
by P-wordStank65 April 16, 2020
