Screw
Part of speech: verb
Definition: To connect or assemble pieces using a screw. To have sexual intercourse with. To cheat or treat unfairly. Sometimes seen in the form 'screw (someone) over'. In combining this sense with the usage as a synonym for sexual intercourse, screw follows fuck. To be angry. To forget or not care about To apply pressure on; to put the screws on.
Part of speech: noun
Definition: A simple machine, a helical inclined plane. A (usually) metal fastener consisting of a shank partially or completely threaded shank, sometimes with a threaded point, and a head used to both hold the top material and to drive the screw either directly into a soft material or into a prepared hole. A ship's propeller. An Archimedes screw. A prison officer. Sexual intercourse; the act of screwing. Salary, wages. Backspin.
Example sentence: Sometimes if you jump into something too quickly, you can screw up something that might have been good two years down the road.
Shag
Part of speech: verb
Definition: To shake, wiggle around.To have sexual intercourse with.To chase after; especially : to chase after and return (a ball) hit usually out of play
Part of speech: noun
Definition: Matted material; rough massed hair, fibres etc.Coarse shredded tobacco.A type of rough carpet pile.A type of cormorant, Phalacrocorax aristotelis, found on European and African coasts.A swing dance.An act of sexual intercourse.A sexual partnerA fundraising dance in honour of a couple engaged to be married.