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You bet your sweet patootie 

It means the same as the phrases, "you bet your ass" and, "you bet your dick and balls".
That is, you're absolutely, positively, 100% certain about the final outcome of a situation.
{Seen on a website about flashlights, LEDs, and lasers}:
I tried to cut through the outer casing to bare metal with the blade of a Swiss army knife, and with some minor difficulty, I was able to do so. This shows the unit has a Type II anodized finish to it (...)
Would I really cut up a brand spanken new $450.00 laser? You bet your sweet patootie I would, if it's in the name of science.

back seat betty 

A female who frequently has sex on the first date or first encounter.
Britney: Hey Lohan, did you call that guy we met at the coffee house yesterday?
Lohan: Yes, we met for drinks and well sex this morning.
Britney (laughing): Sometimes you can be such a back seat betty.

Nicole: Paris, did that guy give you a ride home from the club last night?
Paris(smiling): Yes, you could say that he gave me a ride last night.
Nicole: Your family should have been in the automobile business, because you are such a back seat betty.
back seat betty by atisha v January 6, 2008

fat sweaty betty 

extremely ugly and annoying woman that works the bar see also skeezer but not hot
yo terranova fat sweaty betty just grabbed your ass
fat sweaty betty by miller March 21, 2005

sweaty betty 

the fate suffered by females who get a sweaty vagina in anything other than crotchless clothes.
bloke 1; errrrghhhhh, what's that fishy smell?
bloke 2; it's that bird in front i bet she's got a right Sweaty Betty!
sweaty betty by mr pimpernell May 17, 2015

back- seat betty 

Someone who frequently has sex on the first date or first encounter.
Jan's friends refer to her as back- seat betty because of her many one night stands.
back- seat betty by mariy December 6, 2007

Sweaty Betty: 

A Fat Girl or Woman. Like you know to do it with her you'd have to role her in flour and look for the wet spot.
Sweaty Betty
She is one Sweaty Betty. I would date her if she was not such a Sweaty Betty:
Sweaty Betty: by B_Rad_N_Green November 5, 2007
More from Urban Dictionary
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
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
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