One who is a total asshole, or acts assholeish. It is also used for when you wish to make an insult towards someone, yet wish to have some humor in a word.
a dude with a self-confident attitude that causes him to know he is awesome(at everything)espacially at slinging meat/having sex.mostly true master dick slingers dont get much practice but when they have sex they can make most girls cum hard
jeremy:im a master dick slinger im fuckin awesome tiffany(to her friends):i came so hard last night it ran down my legs
N. a total BAMF; an individual who possesses a large amount of swagger and is accomplished in the art of verbal jousting; especially pertaining to JV tennis players.
dick slinging
Bout ta doubble donut that fool like a big dick slinger!