This means a sexy guy who gets all the ladies. A guy whose name is either Danny or Dan can be called TheDman. If you are a guy and approach a Dman, dont stare into his eyes or you will want to resart your life and change your name to Danny or Dan. The greatest and most attractive name in the universe.
Girl : Oooo look theres TheDman
Guy : I cant or his good looks will consume me
Girl : Well thats to bad is'nt it?
Girl: See you im gonna go talk to him
Guy: Mabey i can get a name change?(He says to himself)