To cause (something) to move rapidly in opposite directions alternatingly.
To move (one's head) from side to side, especially to indicate refusal, reluctance or disapproval.
To move or remove by agitating; to throw off by a jolting or vibrating motion.
To disturb emotionally; to shock.
To lose, evade, or get rid of (something).
To move from side to side.
(usually as "shake on") To shake hands.
To dance.
To give a tremulous tone to; to trill.
To threaten to overthrow.
To be agitated; to lose firmness.
In a state of shock or trauma.