To wash the hands and forearms very thoroughly, as for surgery. To scrub in implies the use of a brush (and often an implement to clean under the nails). To scrub in, to scrub up, and to scrub are synonymous.
I'm not going to scrub in for surgery.
Do you want to scrub in for an appendectomy ?
by aaa1976 September 7, 2011
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A scrub is a more derogatory form of the slang "noob", "nub" etc. and is primarily used in video games, particularly those which are multiplayer based.

Whilst a noob is generally considered one who is new to the game, and as a result not proficient, a scrub need not necessarily be new. It may imply that the person accused is forever a noob, regardless of how much they may practice.
"FML why am i always on the scrub team"
"You piece of shit scrub, uninstall"
by Pottsy1994 November 18, 2012
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A guy that thinks he's fly and is also known as a busta
by Scrub679 September 17, 2017
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a guy, also known as a buster (player).
he tries hitting on every girl and gets no love from anyone of them
also has no car, and hollers at everyone
looks like trash
lives with him mom
normally has a girlfriend, but doesn't show her any love
also a guy with no money
"hey sexy lady, wanna give me your number?"
"ew no, you're a scrub"
by daisydoodooadallop May 10, 2015
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Wormwood Scrubs, locally known as The Scrubs, is a 200 acre open space located in West London and it has an unenviable record in terms of crimes committed there.
"I had visions of the Scrubs, or worse, concrete slippers and a dip in the Thames."
Irvine Welsh - "The Acid House"
by George Costinas April 25, 2007
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A scrub is a now generalized term used as a synonym for a "noob" or "newb," which is someone who is bad at a video game or activity in general.

Most of the definitions here, surprisingly, have nothing to do with the actual term. The original definition is related to a person who makes a mistake in a video game, which is such a bad mistake that it is clearly wrong, yet they persist in making it. The term derives from Street Fighter II, to describe some players that were so bad that they would mash their hands across the control pad, an act known as "scrubbing," because it relates to scrubbing a car or other object with a sponge. Thus they were deemed "scrubbers," or "scrubs" for short. Over time this term expanded throughout the gaming world, and then the real world, and lost its original meaning.
If you're a scrub, then you owe me a cookie.
by Chirus_Fire December 30, 2009
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A male who is lazy. He has no job, car, or home and definitely has no money. He talks about what he wants and makes himself out to be more than what he is. Often perpetrating, lying about having and that when he's just a loser.
"What a scrub! He is 38 with no car, job or money."
by queen Kesha December 23, 2014
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