Wiktionary
vb. (context transitive English) To remove something (especially an item of clothing) with a swift movement.
Usage examples of "whip off".
The first thing she did was whip off the black bonnet and toss it carelessly onto the bed.
Georgie only had time to whip off her elastic band, fluff out her hair and clutch her bikini top to her sweating breasts when Lysander crept round the corner.
Doc muttered, snapping his sword to the side to whip off the blood of the millipedes.
At the last moment, he rolled to the right, went over on his back, snapped out of the maneuver to whip off to the left, coming around sharply on the Rhoon's flank.
He can whip off an arm or a leg quicker than any man in the service.
With a sigh, she swept the whip off the chair and sat down to work her boots off.
Her reaction to Forbin's sudden entry was to whip off the shower cap.
He saw Janson whip off his preposterous cloak and entangle the two blastswords.