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party pre-ejaculate 

When someone gets wasted at the beginning of a party and has to leave or passes out. It can also refer to the phenomenon of making party plans for Saturday night but getting so drunk or staying up so late on Friday that you can't make it.
You: "Dude, you left my party at 9pm. What happened to you?"

Me: "I party pre-ejaculated."

Pre-ejaculation 

The act of "half cumming" in which a man can feel ejaculation coming on, and then, at the first twitch of his scrotum, can control and then stop the orgasm, thus creating stamina he didn't know he had!
Jack was in full control until his girlfriend started screaming for him to come which caused "pre-ejaculation", but, after much concentration about tennis, he was able to stop his scrotum from twitching, and instead of cumming, rode for another hour and 11 minutes!
Pre-ejaculation by jjsanantonio April 29, 2010

pre-ejaculatory fluid

"Pre-ejaculatory fluid" is the clnical medical way to say what most of us call "pre-cum" or "precum": the usually clear and viscous liquid seceted by the Cowper's Gland (a tiny gland inside the male's genito-urinary works) that precedes actual orgasm and ejaculation of semen ("cum").

The amount secreted as pre-ejaculatory fluid varies from nothing or next-to-nothing to a great amount. See basketball player.
The most popular brand of condom-safe sexual lubricant mimics very well the clearness, thickness (viscosity), slipperiness and slight stickiness of pre-ejaculatory fluid.

pre-mature ejaculation 

Pre-mature ejaculation is when you fire you're load before you finish you're climax. The BITCH AIN'T SATISFIED
TCHU was banging a hot girl and he started to Pre-mature ejaculation before he whipped his pants off
pre-mature ejaculation by P.HONGG September 18, 2008

Pre-Board Ejaculation 

When you write up a car deal and count it before its delivered.
Wow you Pre-Board Ejaculationed the whole week!! What the Hell

pre-party ejaculate

Situation in which a person becomes so intoxicated while hanging out with friends, that they pass out or black out before going out to bars
Person #1: "Oh man, what the hell happened last night?"

Person #2: "Bro, I knew you were gonna pre-party ejaculate drinking that scotch, bro; you barfed in the cab on the way to the bars.

Person #1: "Did I hook up with anyone?"
pre-party ejaculate by JSBizzle September 21, 2011
More from Urban Dictionary

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
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026
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