gunslinger

noun

1. (historical)A person in the Old West who carried a gun and was an expert at quickly drawing it and firing.

   “Along with Dolores, there’s Teddy (James Marsden), a heroic-seeming gunslinger looking for adventure.”

2. (broadly)A person who behaves with the reckless bravado expected of someone who would duel with guns.

   “HIP YOUNG GUNSLINGERS WANTED (BASS, DRUMS, GUITAR) FOR NEW BAND. MUST BE INTO REM, PRIMAL SCREAM, FANCLUB ETC. CONTACT BARRY IN THE SHOP.”

   “The perception of the hedge fund world is that of gunslingers and traders who manage billions of dollars by the seat of their pants.”