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Engaging in sex acts with two other people; either MMF or FFM. Usually used in text speak.
Wanna 3sum 2nite?

Most peopl fantasise about 3sums
3sum by freakshow July 14, 2005
When two people have sex, And the third person video records it.
Bob: Yeah, I had a 3sum last night!
Tom: Was it good?
Bob: The third person, Was such a good recorder, It could have been a porno!
Tom: When you make it A movie, I'm buying it.
3sum by BlahhhhhhBiiiittchh! January 14, 2010
3 HOT HORNY SLEAZY GUYS ALL FUCKN EACH OTHER ALL THE WEEKEND LONG
Let’s have a good hot 3sum and get wired
3sum by MR J PIG September 27, 2019
slip of the tongue perhaps,
Those idiots who drive around in a ridiculously raised pick up truck, making a top heavy vehicle even more top heavy and unstable
A:*gah*
B: "Whats the matter"
A: This dam prickup is blinding me.
B: Stupid thing's, as if there lights weren't blinding enough as it is.
prickup by lunasea September 28, 2009
Word of the Day on June 23, 2026

Serial Monogamist 

Someone who jumps from one relationship immediately into another one.

Serial monogamists can not stand to be alone and often suffer from vast commitment and insecurity issues.

Because they jump into relationships immediately after the previous one has ended, serial monogamists typically don't take the time to reflect on their behavior or why their previous relationships failed; thus, they end up making the same relationship mistakes over and over again.
Person 1: Damn, Dustin already has a new girlfriend?! It's only been two weeks since he broke up with his fiance! I think he's a sociopath.

Person 2: No, he's a serial monogamist...
Word of the Day on June 22, 2026

liquid lunch 

A lunchbreak comprised entirely of alcoholic beverages, and no food.
"With all the lay-offs that morning, it was rough. I hit the bar around the corner for a liquid lunch mid-day."
liquid lunch by Alexandra July 27, 2004
Word of the Day on June 21, 2026