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2.
an intuitive perception of, or insight into the essential meaning of something, intrinsically connected with ones own existence (whilst sitting on the toilet)
I just had the most awe inspiring poopiphany
by Hotdog Zanzibar August 11, 2010
 
1.
When one has a sudden insight into reality, or the meaning of life, whilst taking a poop.
Guys, I was sitting on the toilet, and realized that I didn't need a boyfriend to make me feel better. It was the best poopiphany yet!
by WhyNotFrampton May 30, 2008