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aka "diarrhea of the mouth"

1. when someone won't shut the fuck up about something

2. a situation when a secret is accidentally spilled

3. time to put your foot in your mouth to staunch the flow of 'rrhea.
1. Dan has serious moutharrhea about that POS car he bought last week.

2. My stupid sister caught a bad case of moutharrhea and now my parents know I'm pregnant.

3. Why are you practicing your Hitler impersonation in South Central?! Your goddamn moutharrhea is going to get us fucking killed!
by Sour Jane October 26, 2009
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