Verb
(reflexive) To keep busy by doing something
(reflexive, euphemistic) To masturbate
Source: en.wiktionary.orgLife is too short to occupy oneself with the slaying of the slain more than once. Thomas Henry Huxley
It is a sign of a dull nature to occupy oneself deeply in matters that concern the body; for instance, to be over much occupied about exercise, about eating and drinking, about easing oneself, about sexual intercourse. David Bailey