An instance of spanking, separately or part of a multiple blows-beating; a smack, swat, or slap.
A slapping sound, as produced by spanking.
(slang, euphemistic) An instance of masturbation.
(transitive) To beat, smack or slap a person's buttocks, with the bare hand or other object, as punishment, gesture, or form of sexual interaction.
(transitive) To soundly defeat, to trounce.
(transitive) To hit very hard.
(intransitive) To move rapidly.