A really slow-ass bug. You can defeat it by using salt.
Damn, this slug got on me and started sucking away at my life. Good thing I had my salt handy.
by The Butler April 17, 2005
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An adult male that still lives at home, has a part-time job at the mall, and sponges off of parents. Activities include; drinking Four Locos,playing Xbox, sleeping excessively and giving girlfriend a UTI. All around, a lazy, worthless individual.
Steve could not get his life together because he's a fucking SLUG!

Justin's phone got shut off again, what a slug.
by Doctorlawyerocketarms February 18, 2014
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A phrase used after releasing flatulence to excuse yourself, and to warn possible victims of the oncoming slug epidemic.
Hey man wasn't that fun! (fart) NO SLUGS my bad..

Cindy (fart) NO SLUGS i love you.

Yo Tracey wanna kick it with me and KK (fart) NO SLUGS
by Mattgary Kyle January 22, 2009
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a big ass bullet that comes in a shell. Used for shot guns, usually hunting lage game.
I shot a deer with a 12 GA slug
by Rich October 09, 2004
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A slug is a single projectile (bullett) fired out of a shotgun. Usually 50 or 75 caliber (in 12 gauge). Used by Police, Hunters, Military. Sometimes wrapped in plastic for better accuracy, this plastic breaks off on impact.
12,20, and .410 gauges usually availible.

Dude you hear bout that there Mr. Jones? lost an entire leg cuz of that cops 12 gauge and a slug.
by Mike Pahl September 12, 2006
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The act of covering ones self in petroleum jelly and then proceeding to mimic a slug.
Guy 1: What are you doing this weekend?
Guy 2: My girlfriend and I were going to go slugging at the mall.
by Crypt of Lieberkuehn November 18, 2011
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Pronounced like the slimey inscect.
Also usually pronounced with a sch sound: schluge

Referring to drinking mass amounts of beer, usually at a party, because you don't slug beer alone, however you can just drink beer alone.

originated in Springfield, Ohio
Dude, can't wait to go out tonight and slug some with everyone!
by girl that loves to slug 'em October 15, 2012
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