PC.net

Dufus

:-F	Copy
	Popularity	★ ★ ☆ ☆ ☆  Uncommon
	Direction	Vertical (not tilted sideways)
	Added	January 28, 2010
Description: The "F" represents buck teeth. The "dufus" idea comes from cartoons, where big front teeth are sometimes used to indicate a person or character isn't very smart. Therefore, this emoticon may be used after doing or saying something stupid.

Emoticon Information from PC.net
https://pc.net/emoticons/dufus