What is Dirty Pigeon?
1.
Hanging one's arse over a balcony and defecating on another's head.
Charlie dropped a Dirty Pigeon all over Lloyd, and his dinner and his girlfriend. It was the greatest Dirty Pigeon you ever saw.
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2.
Dirty slag who has slept with every man in the office including peoples boyfriends and has an ugly face like a pigeon.
Oh look the dirty pigeon is bent over the boardroom table again...who is it this time? oh its my husband again