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1.
Extreme anxiety experienced by a person, causing unexpected amounts of diarrhea.
The coffee I drank this morning, mixed with my worries of the final exam, gave me a bad case of anxiarrhea.
by D. Rodriguez June 11, 2012
 
2.
The result of anxiety causing you to have crazy amounts of diarrhea.
This job interview tomorrow morning has given me a case of anxiarrhea.
by Bra Miller November 04, 2010