a condition where somone speaks for a long period of time without makeing a rational point.
Somone suffering from diahrea of the mouth would explain situations as follows:

Like Sarah went to the mall to buy these shoes that were like so last season; and when I told her she was all like "like you would have any real fasion sense anyway" and I was like "like as if" and she was like "AS IF!!!" Can you believe her? I mean, you know?
by JimRiech May 21, 2006
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