Can be: a wild individual who isn't afraid to take risks and usually can put away a wide variety of potables.
A fun guy to have at a party.
2. Commonly annoying, boastful, loud, and extremely effective at their job
3. Have the best job in history
Zipper Suited Sun God aka Fighter Pilot: You say something you worthless toothpick?
*rolls in with 20mm canon and turns the worthless civilian into a cloud of pink mist, then drops a couple of 2000 pound bombs on them for good measure.