screw it

screw

1. verb, vulgar slang To have sex (with someone). She's been screwing her secretary for months behind her husband's back. I used to share an apartment with a couple who were screwing constantly. It was really unpleasant.
2. verb, rude slang Used as an imperative to express utter contempt, disdain, or disregard for someone or something. A: "Get out of here, pal." B: "I have every right to be here, so screw you!" Man, screw this. I'm sick and tired of this dead-end job. A: "What about our customers? Won't this put their investments in jeopardy?" B: "Maybe, but it benefits us—so screw 'em."
3. verb, rude slang To con, swindle, cheat, or unfairly deprive one; to put one at a disadvantage or in a difficult position, especially in an unfair or selfish manner. We should have won—that ref screwed us! Tom totally screwed us when he quit in the middle of the project!
4. noun, vulgar slang Sexual intercourse. It's been nearly four months. I'm in dire need of a good screw. If you're just looking for a screw, then you need to look elsewhere, buddy. I ain't that kind of gal.
5. noun, vulgar slang A sexual partner, especially solely as an object of gratification. Would you look at his body? I bet he's an amazing screw.
6. noun, dated slang A prison guard. The screws in this joint are sadistic. They're more dangerous than the other inmates.

screw it

rude slang A phrase of irritated dismissal used to indicate that one refuses to devote any further effort or thought toward something, and does not care about the consequences. Screw it, I'm not going to pass anyway, so there's reason for me to finish the project. I'm tired of analyzing all the possible scenarios. Screw it, I'm just going to go out there and play it by ear.
See also: screw
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
See also:
References in classic literature ?
Pumblechook worked his head like a screw to screw it out of me, and said, "Is forty-three pence seven and sixpence three fardens, for instance?"
* When you screw the nozzle back on, screw it only hand tight.
This will start the crimp and may be enough, but if not, screw it down a tad more.
For the second half of the Administration, the message was to the Republicans -- don't screw it up with impeachment even though we're not proud of the many legal and ethical breaches by the White House.
Bush, Gore continues, with his risky tax schemes and his inexperience, is going to screw it up.