A dinglebat is worse then a dingleberry. A dingleberry is someone who acts inappropriately. A Dinglebat is someone who clings to a seriously flawed philosophical trend, or a political trend, because it will curry them favor.
Smithers on The Simpsons is a Dinglebat. As is Larry Jacobs, or Dr. Hager....
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.