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1.
When you bump into a friend of a friend, or an ex, or your mates girlfriend your not that keen on and you have to say hello and pretend to have a brief conversation with them otherwise you look bad.
Bob: I bumped into Lucy the other day, she's so annoying but she's going out with my house mate at the moment so I just gave her the old political greeting and moved on.
by dotdotthedots July 16, 2010