To beat or whip.
To form lather or froth, as a horse does when profusely sweating.
To cover with lather.
A state of agitation.
The foam made by rapidly stirring soap and water.
Foam from profuse sweating, as of a horse.
To lash as if with a whip.
To jerk back and forth; to buffet.
The lash of a whip.
An injury to the upper spine connected to a violent jerk of the head in either a backward or forward or side to side direction, resembling the motion of a whip.
An abrupt and unexpected change, or the resulting feeling of shock.