When someone is constipated or cannot crap.
Person 1: Bro, I haven't pooped for two days.
Person 2: So you're Excrementally Challenged?
by BrotherB3N August 21, 2009
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Man, I shouldn't have chugged all that Pepto Bismol, I'm gonna be totally excrementally challenged for the next few days.
by smellanor_ September 15, 2010
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