screw off

Verb

 * 1) To remove the lid of a jar or other container by unscrewing it.
 * 2)  To fail to do one's work; to goof off.
 * 3)  To leave; to bugger off.
 * 1)  To leave; to bugger off.
 * 1)  To leave; to bugger off.
 * 1)  To leave; to bugger off.

Interjection

 * 1)  To tell someone to leave or to stop being bothersome.
 * 2)  An expression of surprise or disbelief.
 * 1)  An expression of surprise or disbelief.

Usage notes
As a way of urging someone to leave, it is considered vulgar in many settings but may be only a lighthearted rebuke in others.