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tighten up! 

Prison slang for "pay attention". Can also be used to tell another inmate to stop goofing off.
"Yo man tighten up! Don't you see what's about to happen?"
tighten up! by graybar hotel February 9, 2014

tighten up the graphics

1) To work at an introductory-level tech position.
2) To attempt a feat without knowledge of how it can be done.

Phrase originates from a Westwood College commercial, in which two young videogame designers, dressed in 70s attire, report to their boss that they are "almost done with level 3, and need to tighten up the graphics a little bit."
1) "Once I move back to Arlington I'm gonna tighten up the graphics for Adobe Systems."

2) "I'm almost done with my quadratics homework, I just need to tighten up the graphics a little bit."
tighten up the graphics by denshuu September 10, 2005

tight end 

1. A position in American Football.
2. A male homosexual whose anus has not been terribly stretched by the ravages of chocolate love. (See also wide receiver).
He was the best tight end I've ever seen.
tight end by Ian Chode March 20, 2004

tighten up 

1. To get your act together. 2. Don't be so loose
Mary: Sarah you should put your clothes on!
Kelly: Yea, Sarah tighten up!
Sarah: Mary you should stop takin it deep!
Kelly: Yea, Mary tighten up!
tighten up by Joe11 June 28, 2006

tighten it up 

To get one's shit together.
After breaking his sobriety and drinking, Amy told John to tighten it up.
tighten it up by SLAP May 11, 2004

Tighten his shortz 

To give a crossword fanatic a book which contains puzzles which are much, much harder than the ones they are doing right now. It is named after puzzlemaster Will Shortz.
"I just bought Bob that book of Chicago Tribune crossword puzzles. That really oughta tighten his shortz."
More from Urban Dictionary

piddlefart

verb. To waste time doing nothing.
Instead of doing my homework, I decided to piddlefart around for two hours.
piddlefart by Rene April 25, 2005
Word of the Day on October 9, 2026
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
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
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