"I gave Rob quite the rumdungle - I changed all the clocks in the house to be an hour early, and he's left for school in a rush!"
"Our professor decided to lie to us! She said she wouldn't put a question on matrices in the exam! In other words - we've been rumdungled!"
A very crude word that can mean many a thing, the word Cumdingler however usually means "Piece of shit, fucking cunt shit" please do not use this word unless you mean it or you are an aussie