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A linguist from the University of Pittsburgh has published a scholarly paper deconstructing and deciphering the word "dude," contending it is much more than a catchall for lazy, inarticulate surfers, skaters, slackers and teenagers. Kiesling says in the fall edition of American Speech that the word derives its power from something he calls cool solidarity -- an effortless kinship that's not too intimate. It's like man or buddy, there is often this male-male addressed term that says, 'I'm your friend but not much more than your friend'. He found the word taps into nonconformity and a new American image of leisurely success.