Screwing

Verb

1. Present participle of screw

Full definition of screwing

Noun

1. The act by which something is screwed.
• 1854, George Dodd, The Curiosities of Industry and the Applied Sciences (page 35)But this was a sadly lingering process, since there must be as many screwings and unscrewings as there are copies to be printed.
2. (slang, vulgar) sexual intercourse