What is the meaning of Yank?

A sudden, vigorous pull (sometimes defined as mass times jerk, or rate of change of force).

An act of masturbation.

 Alternative form of shank (“stabbing weapon”).

To pull (something) with a quick, strong action.

To remove; to recall or revoke.

To masturbate.

Alternative letter-case form of Yank (“Yankee”).

a sudden tug, a jerk, a yank

a blow, a slap

to jerk, to pull suddenly

to move quickly or in a lively manner

Source: wiktionary.org