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To shaft or prank someone, usually a mate. As seen on some of the WKD adverts
You tuck up a mate, when they can't get away from someone talking to them and you don't rescue them.
Tuck Up by richard jacobs February 7, 2007
Verb

To say something so incredulously stupid, backward, socially regressive and void of morality that you sound like Tucker Carlson.

*Not to be confused with Tucker Up (When an African-American man chooses to hang about exclusively with a man from the Orient)*
1. To tuck up so badly, that even your mother doesn't want to talk to you anymore.
Tuck Up by IceFergLettuce March 25, 2019

Princess Diaries Tuck-up 

The act of twisting and tucking your hair inside of a hat or some sort. Then when you take the hat off your hair cascades down your back looking beautiful. (See the Princess Diaries movie)
Princess Diaries Tuck-up-

Just put your hair in your work hat like the "Princess Diaries tuck up", so when you're off you can whip your hat off and shake your hair out and yell "I'm off work bitches"

kentucky up tuck 

When you get an erection in public, and must hide your weiner by flipping it up behind your belt.
Friend: Man, I have this annoying noticeable boner at church.
Me: Give it the ol' Kentucky Up Tuck!
kentucky up tuck by Bilty November 12, 2017

tuck it up 

to lift your boner up to your waist line to prevent detection.
the girl i work next to gave me a chubby. before i stood up, i had to tuck it up.
tuck it up by nileek January 19, 2009
to tuck ones cock upward between the belly and waist line of the pants in order to hide a boner
A: I have a boner! what should i do?
B: Up tucking is the way to go!!! *smile point wink*
up tuck by metalheadmanic June 28, 2004
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
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