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."
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 boughtBob that book of Chicago Tribune crossword puzzles. That really oughta tighten his shortz."
(participial phrase) the sexual act of grabbing and twisting the head of the penis upon male orgasm in an attempt to increase seminal velocity (and make a cool spiral); the partner performing this act must make a squeaky sound as if a door knob was being tightened
Male 1: My girl was tightening the door knob last night.
Male 2: What?
Male 1: She twisted the head of my penis when I came and I let fly a mighty ejaculate.
Male 2: Does it burn?
Male 1: Yea, but it was worth it. And she's blind now.