suche ein beliebiges Wort, wie dirty sanchez:
 
1.
Coined by Adam Carolla, an Uncle Dude is a guy who breaks the "guy code".

Can also be used when a guy betrays other guys by way of giving information detrimental to men to women.
Greg Behrendt is an uncle dude.
von Thug Bear 11. Januar 2009
 
2.
A guy that tells his wife/girlfriend about the exploits of his friends, thus getting his friends in trouble with their wives/girlfriends. Usually done preemptively to try to maintain innocence.
Jerry is such an uncle dude, he told his wife we went to a massage parlor and she told my wife.
von Owwwmyballs 1. September 2009