by Shawn B. April 14, 2003

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!
by justahandle2007 January 19, 2007

Joe Shmoe: Billy must have diarrhea of the mouth.
Bob: What do you mean?
Joe Shmoe: He won't shut up!
Bob: Ohhh.
Bob: What do you mean?
Joe Shmoe: He won't shut up!
Bob: Ohhh.
by Bagdaddy July 23, 2006

1. A term used to describe a person who cannot or will not stop talking, no matter how boring or pointless their topic of conversation is
2. A person who describes to you the antics of their cat, Snowball, until your eyes glaze over
2. A person who describes to you the antics of their cat, Snowball, until your eyes glaze over
My boss has diarrhea of the mouth; our last conversation involved donkeys, bananas and his obsession with trains.
by Lois the Lane November 3, 2009

Running your mouth to your boss about stuff your friends tell you. Having to tell all secrets
Ernie loves to tell real and fake rumors to everyone.
Ernie loves to tell real and fake rumors to everyone.
He had diarrhea of the mouth. Ernie loves to research everyone and tell everyone about there lives because he has diarrhea of the mouth. He can not help but save everything because he loves to use it when he has a very severe case of diarrhea
by Biglove2 December 9, 2020

by Light Joker January 14, 2005

by Biglove2 November 24, 2020
