To hold one's head at an unseemly angle so it appears in photo's that the person's head is a slug coming up from the neck of the body. While bounching on the balls of the feet and proclaiming you know what you are talking about, because of the establishment you work in. While emphasising you're over reliance on a few key words to accert your inner most desires to be loved. You may also be seen slugging while waiting for a comrade.
Person 1: I know what I'm talking about, this drink is the best ever. I work in a pub.
Person 2: Dude, stop slugging. You collect glasses
Person 2: Dude, stop slugging. You collect glasses
by Shock&Awe May 12, 2013