skru

Verb

 * 1) to screw
 * å skru ut - to unscrew
 * 1) to turn (something)

Etymology
From. The slang terms are semantic loans from cognate. The noun is derived from the verb.

Verb

 * 1) to turn around its own axis
 * 2)  to screw
 * 3)  to control with select (as if with) a dial (especially for volume control)
 * 4)  to kick or throw (the ball) with a spin, arcked towards a deliberate target
 * 5)  to spin
 * 6)  to fly in a certain curve because of its spin
 * 7) to force, to pressure, to extort
 * 8)  to pressure into heaps or ridges
 * 9)   to have sexual intercourse with, to screw
 * 10)   to cheat someone or ruin their chances at something; to screw
 * 1)   to cheat someone or ruin their chances at something; to screw

Noun

 * 1) a screw, spin
 * 2)  backspin, screwball
 * 1)  backspin, screwball

Etymology
From.

Noun

 * 1)  elbow
 * 2)  knee
 * 3) screw