A fork of Rural Dictionary
1. A sound made by drums that is made after a comedian tells a joke that needs a little push. 2. A sound one makes to signify that a lame joke has been told.
1. Comedian: why did the chicken cross the road? To get to the other side! Drums: Ba Dum Tsh 2. Comedian: why did the chicken cross the road? To get to the other side! Steve: Ba Dum Tsh!