Masturbation. Also: coitus interruptus. Also figurative.

The stimulation, usually by hand, of one's genitals for sexual pleasure; the action or practice of masturbating oneself or (less commonly) another…

= masturbation, n. 1.

Masturbation, regarded as sinful or harmful. Usually with reference to male masturbation. Cf. self-abuse, n. 3.

Masturbation, regarded as sinful or harmful; (in early use also) an instance of this. Now generally considered dated, and frequently used…

Masturbation.

Stimulation of oneself for pleasure or sexual excitement; spec. masturbation.

Male masturbation; (also) the action of masturbating a man. Frequently in jerking off (cf. to jerk off at jerk, v.1 phrasal verbs).

Satisfaction of one's emotional or erotic desires by oneself; spec. sexual stimulation of oneself, masturbation; = autoerotism, n.

Behaviour related to psychosexual development in which an emotional or erotic desire is satisfied by oneself; cf. narcissism, n. 2. Now spec.…

Psychology and Medicine. spec. = masturbation, n. 1. Cf. self-stimulation, n. 1.

British slang (originally School slang). The activity by a male of manipulating (or appearing to manipulate) the genitals through a trouser pocket…

The action of wank, v.; masturbation. Also with off.