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Backoutter

A person who likes to back out in every transactions or promises.
Someone said to buy/trade items but pull out in the last minute.
"Ken said he is going to buy that game, but instead he backed out, what a backoutter!"

Dave: "I am going to buy that doll for a girl if you buy one too."
Me: "Sure I can do that."
Dave: "Wait, I am not going to buy it."
Me: "What a backoutter...."
Backoutter by xxlilDevilxx May 28, 2009

backbust 

To blow one's orgasmic load of either vaginal or penile secretions onto an unsuspecting strangers back.
Matt: DUDE WHAT THE FUCK IS THAT?!

Nadsack: u just got backbusted! biotch!
When a girl has large dimple like indentations on her lower back directly above her butt. This results in a sometimes sexy, strange occurance called the back butt.
"Damn, I don't know wether to be turned on or throw up at the sight of Lexxy's back butt."

"I hate summer. I don't like to show off my back butt. Seriously, aren't dimples supposed to be on your face?"
Back butt by ShaIchLuge June 21, 2008
When a gym rat flexes his back muscles giving off the appearance of a butt crack
Colin is such a frat star flexing his back butt.
Back Butt by Collin has backbutt August 5, 2016
A very small boring town in the middle of no where. Full of old people and fat people. Most of the population is either inbred or on drugs. About 96% of the town knows the town drug dealer.

If you live here get the fuck out. If you've never been here but driven through good, keep driving. If you've never lived or been here, consider yourself lucky.
Blackbutt: Somewhere you don't want to go.
A shit ass town in the middle of no where. We old ppl retire to and the majority of population is inbred and on drugs. The drugs come mostly from the town caravan park located near the top shop. If you live here get the fuck out. If you've never been here but driven through. Good. Keep drving. If you've never lived or been here. Consider yourself lucky. Maddogs like to go around on ripsticks at 9pm and scab pizza from locals.
Kid 1: bet you when these ferals get back our pizza will be gone.
Kid 2: I think their riding ripsticks, what losers.
Kid 3: What do you expect they come from blackbutt.
Blackbutt by notfromwhereyourfrom. August 20, 2009
More from Urban Dictionary

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

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026
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