A term that a very well-to-do New Zealand gentleman says as he struts about Sydney, Australia trying to impress hot English females only to be told that "it's killed the mood".

The term 'Rudie Bum' implies that two people, generally of the opposite sex, get together and thrust hips with one another thus causing, what some would say, a pleasing feeling shared between two people.
"After we have finished this delicious scone darling, shall we have rudie bums"?

"Bert!! Can you smell that? I think the neighbours are having rudie bums"!

Mum: "Doug, have you seen trudy"?
Dad: "Yeah I think she's with Kevin having rudie bums"
by SomeDudeWithoutARangie December 17, 2013
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