A cylindrical rod incised with one or more helical or advancing spiral threads, as a lead screw or worm screw, A twist or turn, as of a screw, Vulgar Slang The act or an instance of having sexual intercourse, intransitive verb_ To fasten, tighten, or attach by means of a screw or similar fastener, To rotate (a part) on a threaded axis, To treat (someone) unfairly; exploit or cheat.