An act of masturbation.
He’s having a wank!
An undesirable person
You utter wank!
Nonsense, rubbish.
Did you see that thing on Channel 4? Yeah, it was a wank.
Ridiculous, circular or inappropriately elaborate argument about something, especially if obnoxious, pretentious or unsubstantial.
To masturbate.
I was so embarrassed when my mother caught me wanking.
To masturbate; to give a hand job to.
She wanked me in the morning.
To argue in an inappropriate manner or about pretentious or insubstantial matters; to engage in wank.