Unscrew

[Sarah]

To draw the screws from; to loose from screws; to loosen orwithdraw (anything, as a screw) by turning it.

[Sarah]

To suck the semen out of a girl's vagina after jizzing inside of it.

[Sarah]

Unscrew(v) Masturbating with one's left hand; the opposite of screwing yourself.

[Luis Fok]

to take the lid or top off something by twisting it round:

[Julene]

(with reference to a lid or other object held in place by a spiral thread) unfasten or be unfastened by twisting.