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The stupid noise you make with a drum kit when you think you're funny, using the snare for 8th notes and the bass drum on the first one, then crashing the cymbals like you just won the lottery.
I told a joke about my dog eating my homework and then did a ba dum chhh like I was the drum god.
My friend laughed at my failed magic trick and I did a ba dum chhh so loud it woke up the neighbor's cat.
During my lunch break, I played a ba dum chhh on the cafeteria drum set and got in trouble.