1 definition by Titten from Phoenix

Top Definition
The point of having to poop so bad that it starts peeking out of your butthole, like a groundhog peeking out if it's hole, and you have to squeeze it back in to hold it until you get the restroom.
I started groundhog in the store and barely made it to the restroom before pooping my pants.
by Titten from Phoenix February 27, 2009
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