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Anal sex between two straight men, or a group of straight men. Happens coincidentally, is not premeditated, and is never referred to ex post facto.
Gee whiz fellas, this is a great party, but there aren't enough chicks. We could be setting ourselves up for some deep penetrating, back wetting stranal!
stranal by D. Hausman September 22, 2004
Anal sex that is messy and stains things.
Skeeter did stainal with his sister on my couch now it's ruined!
stainal by WuddupBreh? January 23, 2016
A Girl which has so many things in common with her best friend. She is also the best friend everyone needs. She will share her thoughts and opinions on things. She will stand up for you no matter what. :)
You will always need a Straina in your life.
To strangle during anal sex.
Is it okay to perform stranal on the first date?
Stranal by thatchtastic January 21, 2010

Stainal Sex

When two or more parties leave evidence of having anal sex without proper bowel evacuation resulting in an awful mess.
I met this kinky chick who never used the word no. Not wasting any time, I put all the love I had in her ass but she sent it all back. Now I have to buy a new mattress before my parents get home and find out I had Stainal Sex in their bed.
Stainal Sex by Stevie LaLa May 5, 2016
To go straight into anal sex with a woman.
We had Stranal last night…
Stranal by Stranal January 16, 2022
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
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