Delaware Diarrhea Dip Share definition Flag A Delaware Diarrhea Dip is when a man takes a liquidy shit in a person's mouth then he proceeds to stick his testacles into the mouth. Ryan gave Alexa a Delaware Diarrhea Dip while on Sarah's bed. Delaware Diarrhea Dip by Mr. Magoooo April 25, 2011 Get the Delaware Diarrhea Dip mug.