(1) slang for pussy. (2) Derived from Pensacola, Florida, this means a sissy-like person, or someone who tried to go for a girl but never could get her. (3) Also can be used for slang for a cool, close friend. (4) Another use for this is when the word "pussy" is needed to be said, but others who would disapprove are present.
(3)Charlie: Yo, duddy! What happened with you and that girl last night?
Nick: Man, I went for her but she didn't dig me.
(1)Charlie: I'm gonna get some of that duddy myself.
(2)Josh: Nick, you're a duddy!
Nick: Man, shut up!
(3)Charlie: Hey duddies, lets go chill at the park.
Meaning to be blasted stoned. Used when one doesn't want others to know what he or she is referring to. Derived from the texted face: -_- (dash, underscore, dash - hence the prefix DUD of the word duddy.)