Definition of "Screw" :

noun: slang for sexual intercourse

noun: a fastener with a tapered threaded shank and a slotted head

noun: a propeller with several angled blades that rotates to push against water or air

noun: a simple machine of the inclined-plane type consisting of a spirally threaded cylindrical rod that engages with a similarly threaded hole

noun: someone who guards prisoners

verb: defeat someone through trickery or deceit

verb: tighten or fasten by means of screwing motions

"Screw the bottle cap on."

verb: cause to penetrate, as with a circular motion

"Drive in screws or bolts."

verb: turn like a screw

verb: have sexual intercourse with