Two Drums and a Cymbal: Comedy's Cheesiest Sound Effect is Put to the Test 474 Elaine Moran 02/11/10 12:18PM Filed to: Comedy Comedy TV Video These lads decided to test the old theory about the "ba-dum TSSSSHHH" sound that so commonly follows less-than-witty jokes- that it is made by two drums and a cymbal falling off a cliff. Astonishingly, it's fairly plausible! [via YouTube]