Top Definition
When an rumour is sufficiently circulated that it becomes accepted as truth without needing to be substantiated.
Richard Gere making the trip to the emergency ward to have his gerbil removed from his ass is a trumour.
by rdh7 September 08, 2005
A rumour that is actually true but you deny like hell.
collette: omg i heard that you fingered yourself!

Stephanie: No way! thats just a trumour
by ThePhantomFeline July 19, 2005
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