Diarrhea or diarrhoea is liquid defecation.
Diarrhea may also refer to:
Music Diarrhea Planet, a garage punk band (formed 2009) Live Fast, Diarrhea, a 1995 album by The Vandals Diarrhea of a Madman, a 2001 album by Dave Brockie Experience "Diarrhea", a song by Da Yoopers on the 1989 album Yoop It Up
Television Daria Morgendorffer, a Beavis and Butthead character (nickname: Diarrhea)
See also
Defecation Shit, a word originally referring to diarrhea