(Homonym: sheik).
(Irregular preterit, past participle: shook, shaken).
1. To move back and forth quickly; SYN. agitate.
2. To bring to a specified condition by or as if by shaking.
3. To get rid of; SYN. shake off, throw off, escape from.
4. To undermine or weaken.

To move without being stable, as if threatening to fall.

To get sexual gratification through self-stimulation; SYN. wank, she-bop, jack off, jerk off.