The "fun uncle" is an inappropriate jest move that involves purposefully flipping one's manhood out of one's pants in front of others as if by accident to attempt to shock, awe, or make laugh.
When the teacher stepped out of class, I had to see Merlin's Schlong as he took the opportunity to give us all the Fun Uncle.
by pythagorean January 16, 2015
by cuntmonkey September 14, 2003
1)The pediphilic uncle in every family unit that is a bit off and enjoys spending time w/ his nephews alone and unsupervised.
2)A extremely rare and difficult move practiced by participants of MXE
2)A extremely rare and difficult move practiced by participants of MXE
by Samhain_Knight August 10, 2004
Happy birthday, uncle dad.
by Kung-Fu Jesus April 17, 2004
by j wein January 09, 2009
by Spoe June 21, 2006
The oddball uncle in a backwoods West Virgina family who fondles all of the children. This character is usually between 5'3" and 5'6" and weighs no more than 120 pounds. He has little to no teeth and long stringy hair complimented by a long stringy beard.
Billy Sue: "I don't wanna go to Uncle Diddles house! Everytime I do my ass ends up hurting for 3 days!"
by Big Daddy Longdick August 08, 2011