An adorable breed of sporting dog from Newfoundland, Canada. Named Labrador on account of there already being a dog breed called Newfoundland. Extremely friendly and easily excited, Labradors are excellent family dogs, but can be extremely hyperactive and obnoxious in their younger days.
My Yellow lab is so adorable and friendly to everybody.
by Chipotle needs a drive thru August 13, 2016
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A game designed as a mix between physics and baseball, where you have a batter who sits on a roller chair and kicks a tennis ball trying to hit a homerun. You have a pitcher, outfield, hitter, and catcher. Must be played in a physics laboratory.
Mr. Peoples spectated the intense lab-ball game.
by spencer popp November 11, 2005
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Lab-Tan, the opposite of sun-kissed. One acquires a lab tan when one deprives themselves of sunlight of the natural or manufactured kind. Fluorescent lighting is key, as are long nocturnal hours of working.

A common accessory to the lab tan is the 5 day growth beard, and the dark under eye circles that comes from being too cracked out on awful drip pot coffee and snack cakes to sleep normal hours.

2:One may also have a lab tan if they play far too many videogames of the MMORPG variety like World of Warcraft: These people start to look like Sean Patrick Flanery in the Movie "Powder," the longer these kids or grown men stay in their mother's basement, or the higher their level is in WoW, the higher grade of lab tan.
Molly Mayhem: "Hey man, I heard you stayed all night at the lab"

Doctor Samuel: "Yeah you know...just workin on my lab-tan. Chicks dig it--
by Molly S, and Samuel L. August 29, 2007
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The sadistic Elk Grove High School computer lab beasts that rape Elk Grove students for going on miniclips.com
"oo shit! dammit this happened to me today (22nd September '06) the lab nazis locked my comp.
by Pj Weber September 23, 2006
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An African-American who has wholeheartedly subscribed to the modern liberal ideology. You can usually find this person following behind liberals like lost puppy. A black lap dog for liberals with an uncanny ability to connect any liberal initiative to the Civil Rights Movement.
You know Al Sharpton only got that gig on MSNBC because he became a black lab.
by Son of Malcolm September 30, 2013
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Usually used in fighting games (primarily Marvel vs. Capcom 3) an expression which means going into training mode to practice a strategy, team, character, setup, etc.
I saw a video of C. Viper in Mvc3 and decided to hit the lab and learn her.
by Mikps August 3, 2011
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