Top Definition
when a person becomes so excited, frightened, startled, or starts completely freaking out, and it causes all of the feces in the bowel to shoot out with excesive force.
when steven listend to MSI, he had an instant bowelgasm.

i scared amanda so bad last night, she lost control and had a bowelgasm!
by dreamer8402 April 16, 2009
6 Words related to bowelgasm

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