by Anonymous December 18, 2002

The level of confidence that defines an individual. Commonly referred to as "Mojo or Pimp Juice". One with swagger engages life so effectively that others not only acknowledge their presence but "feel" it. In brief, Swag is how you do what you do when you do what you.
by The Real Mikey J June 5, 2009

by TheyCallMeElias November 5, 2011

Something Justin Bieber doesn't have.
by SlothsAreCoool January 19, 2014

An estimation. Stands for "scientific wild ass guess." Primarily used among the military, especially snipers when they are taking a shot and need to calculate proper bullet trajectory.
S scientific
W wild
A ass
G guess
S scientific
W wild
A ass
G guess
Spotter: Shit there's our target. Calculate wind, distance, and bullet trajectory.
Sniper: No time, I'll just SWAG it.
Sniper: No time, I'll just SWAG it.
by turtlegates December 30, 2009
