Diarrhea of the Mouth 

A person, who usually isn't very intelligent, who will not shut up. It's typically a cover for their own inferiority.

Damn, shut the hell up dude. You sound like Dabo Swinney with all that diarrhea of the mouth!

Diarrhea of the Mouth by C-dog73 December 18, 2012

diarrhea of the mouth 

when one needs to take a shit but it comes out from the wrong end.

I got mouth-diarrhea all over my pants

diarrhea of the mouth by bastardized bottomburp March 22, 2003

diarrhea of the mouth 

When someone won't STFU and keeps blabbering their inane chatter.

See RuffBuff.

diarrhea of the mouth by All of RedOut.org September 25, 2003

diarrhea of the mouth 

constant talk with no information value. unstoppable talking. saying alot but saying nothing at all, not to be confused with saying alot by saying nothing at all. meaningless and unstoppable talk. drug-induced chatter. politics. barf.

That girl has a serious case of diarrhea of the mouth

diarrhea of the mouth by Tomsoma March 22, 2003

diarrhea of the mouth 

Talking too much, usually about something unimportant.

Susie has diarrhea of the mouth.

diarrhea of the mouth by Shawn B. April 14, 2003

diarrhea of the mouth 

When someone won't STFU, and he doesn't realize that everyone stopped listening a long time ago.

Aerofan thinks he sounds intelligent by padding his speech with a ton of words. But we know the truth. He's only compensating for his small penis. He has diarrhea of the mouth. SHUT UP!

diarrhea of the mouth by justahandle2007 January 19, 2007

Diarrhea of the mouth 

Someone who can't stop talking.

Joe Shmoe: Billy must have diarrhea of the mouth.
Bob: What do you mean?
Joe Shmoe: He won't shut up!
Bob: Ohhh.

Diarrhea of the mouth by Bagdaddy July 23, 2006