Onanism

n.

1.

Self-pollution; masturbation.

Noun	1.	onanism - manual stimulation of the genital organs (of yourself or another) for sexual pleasure Synonyms: masturbation, self-abuse
	2.	onanism - a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation Synonyms: coitus interruptus, pulling out, withdrawal method

autoeroticism, autoerotism, frottage, hand job, jacking off, jerking off, masturbation, self-abuse, wank