Wiktionary
screwing off
vb. (present participle of screw off English)
Usage examples of "screwing off".
After screwing off during your four years at Yale, you took the seat that rightfully belonged to someone else.
It was bad, but it would get a lot worse if the deputy director arrived and caught her screwing off in the crapper.
I could not really see him but what gave him away was the rasp of a screwing off, then a discreet gurgle, then the final note of a placid screwing on.
If the outside girl is screwing off somewhere, don't get it confused with the ‘.