Indeed - not to be confused with weather phenomenon - The act of dropping a deuce accompanied by extreme flatulence.

Thunder bowling can cause quite a splash of precipitation as well, in addition to its characteristic, porcelain-amplified sound - remarkably similar to the call of an elk in distress.
Kevin: "Man, are you okay? Between the sound and the stench, you've got everyone nervous."

Jim: "Sorry. That bean burrito's got me thunder bowling. Let's get out of here before they see what a mess I've made."
by Soul Hoosier February 21, 2013
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