definition of
dude

[1] #1 dude n. [fellow, buster] an informal form of address for a man; "Say, fellow, what are you doing?"; "Hey buster, what's up?". wn

[2] #2 dude n. [dandy, fop, gallant, sheik, beau, swell, fashion plate, clotheshorse] a man who is much concerned with his dress and appearance. wn