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
by Shock&Awe May 12, 2013
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After a few push ups and you can't do them right anymore you start to struggle. That's doing a slugging.
John was on his fifth push-up when he start slugging.
by Andy Avalos June 13, 2006
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A cadet at West point who is brutal beyond belief by being to HOOAH! for there own good. They enjoy all things cadet like spirit missions, asking for knowledge and their favorite sport, ultimate frisbee. Basically slugs are gay.
Guy 1: Hey Texas, you like going on spirt missions and wearing your dog tags all over the place. You are such a slug.
Guy 2: Ya Slugado, you are brutal
Guy 3: I am really not that slugish and you know it.
by Army Baseball October 28, 2008
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We went on a date in high school, but now she's a SLUG. Maybe we can catch up when she comes to her senses.
by niteshade8p August 1, 2008
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The act of downing a drink, usually a beer, in a speedy fashion, similar to pounding, slamming, or chugging a beer or drink.
Yo, let's slug this beer!

Slugging beer is the only way to go bro!
by MateoSaki April 23, 2007
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