Definition of duded:
(n) :
(chiefly US, Canada, colloquial) A man, generally a younger man.
(n) :
(colloquial, used in the vocative) A term of address for someone, typically a man, particularly when cautioning them or offering advice.
(n) :
(slang) A tourist.
(v) :
To address someone as dude.
(v) :
(US) Usually followed by up: to dress up, to wear smart or special clothes.
(v) :
To take a vacation in a dude ranch.