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 27, 2010
Get the Political Greetingmug.