dirty out 

Leaving a party/event/gathering abruptly without saying anything like "Goodbye", "Later", or otherwise acknowledging the departure. Considered poor etiquette and generally uncool.

Where's Chris?" "I don't know, I haven't seen him. He must have left." "Dirty out!? Lame.

dirty out by cookcd December 26, 2010

dirty stop out 

A person who stays out all night shagging or generally up to no good! An affectionate, jokey expression originated in the North of England to describe slutty girls and boys.

Where have you been all night? You dirty stop out!

dirty stop out by TaniaD March 27, 2007

dirty stop-out 

A person who has not slept in their own bed on a specific night, with the inference being that they had sex, probably with someone met that evening (in a bar, club, wherever).

Where the hell were you last night, you dirty stop-out? Did you go home with that guy/girl/goat/etc?

dirty stop-out by mammon_the_source October 16, 2009

dirty stay out 

a person who remains "out" for the whole night usually participating in such promiscuous activities.

A: "Susie went to a club last night and never came home."
B: "What a dirty stay out."

dirty stay out by Jaimeee5 June 11, 2008

Dirty Doug out 

Dirty Doug out means ..It’s when I guys uses KY for anal sex and after awhile he decides to suck the KY lube out of her ass to spit it into her vagina for vaginal sex

Red gave her a Dirty Doug out when he sucked that ky lube out of ass and spit it into her vagina.

Dirty Doug out by Redman97 November 30, 2018

dirty stop-out 

Probably Australian. Meaning someone who stays out later than expected having a good time.

'Hey you're home. I was just on the phone to ____ telling her you're a dirty stop-out.'

dirty stop-out by Ray Babycakes July 18, 2006

Dirty Peace Out 

Leaving a social gathering with friends, family or co-workers without saying goodbye to anyone, usually done in a sneaky manner.

Jay- "hey bra, where'd Jimmy go I was just talking to him?"

Rob- "he pounded a few beers then he disappered, must've pulled the dirty peace out again."

Dirty Peace Out by Fooseisloose April 24, 2013