To masturbate.
A session of masturbation.
To indicate that someone (normally the speaker) is either masturbating, or inspired to by sexual arousal.
Pornography.
Abstaining from drinking any alcoholic drink, usually in the sense of having given it up (as opposed to never having partaken); teetotal.
Used other than figuratively or idiomatically: see on, the, wagon.
Maintaining a program of self-improvement or abstinence from some other undesirable habit.