dum /dʌm/adjective 1exclamation 1 adjective1 •(India) cooked with steam exclamation1 •Syllable used when humming a tune.I like to hang out with friends and travel the world. But if there's one thing I really love, it's Doctor Who. Dum de dum, dum de dum, dum de dum. Whooo-eee-oooo dum de dum, de dum de dum. — 2012
