pronounced - TIE-ER-REE-AH -

a sudden, almost shocking bout of tiredness hitting your system....it comes along anytime and can affect how you feel the rest of the day. bouts of it can happen throughout your day, work week or weekend.
Walking through the mall with her friends Enid had to stop and sit - "wow, I just got a mad case of tiarrhea"

Lucas was sitting at his computer when he leaned back and gasped "Geez, this tiarrhea has been killing me all week!"
by MoserBoy March 10, 2009
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