up tight 

Behaving in a cold or unforgiving way due to angst, a hangup or some bogus morality or propriety.

1. He got up tight about me smoochin' with his woman and sulked about it until the wine smoothed things out and we decided the bitch wasn't worth the trouble.

2. The pigs were really up tight about their missing squad car, but Jimmy was no snitch.

up tight by Jubilation T. Corndoq March 26, 2007

up-tight 

Someone who has a very serious demeanor.

Billy's father needs to relax and enjoy life because he seems too up-tight.

up-tight by Jerry Mouse July 3, 2008

fuck tight up

to tighten the fuck up. usually followed by a swift blow to the head.

"Fuck tight up, b!"

fuck tight up by Horatio Sangre June 28, 2004

slip up in something real fuckin tight 

sliding your dick up into a real tight bitch's pussy.

having your bitch slide down on your dick and its real fuckin tight.

"Yo Dan V. I just slipped up in something real fuckin tight last night son"
"Yo have you heard about Dan V. in Brazil? He slipped up in something real fuckin tight"

slip up in something real fuckin tight by Tarik A. March 1, 2005

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

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