Winner of many awards for example-

Badass of the millennium
Chickmagnet of the year
Chicks love this guy award
Smartass of the year
Smartest man alive
Sexiset man alive
You know you want to be this guy award of the year
I want to be Guru
by Badass60002 November 18, 2018
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A hacker who knows everything there is to know about a given OS, language, whatever.
The UNIX guru set up a hack-proof server in under an hour.
by Pope Smot, BSC April 24, 2003
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1. a common misspelling of GURL when an iPhone autocorrects.

2. an exclamation similar to "GIRL!" to show astonishment or surprise.
by Guru Gurl June 16, 2011
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Master

One who teaches his or her students
guru, aap kaise hai?
by Srirup Das February 27, 2006
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One who prides him or herself on being a cesspool of useless information, and who will often inappropriately throw out random facts in normal conversation to appear more intelligent than they actually are - especially when they are misinformed but overly confident in their knowledge.

Often, a guru will ruin a joke by pointing out a flaw in logic or in facts, or will rattle off an excessive amount of information on a topic that nobody really cared about to begin with.
JH: I don't drink tea. It's unhealthy because it has caffeine in it.
Everyone: Thanks, GURU.

JH: George Harrison was important to The Beatles because he helped many other stars become popular, such as Eric Clapton.
Everyone: Gu. Ru.

Guru: Yeah man, Slow Ride is the theme to That 70's Show.
SG: What? No it isn't. Are you sure?
Guru: Yeah.
SG: How sure?
Guru: Like 100%. It's definitely the theme song.
by Beloved February 26, 2008
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n. a junior associate in law firm whom others have deemed as being the expert on a given subject matter or area of law simply by virtue of having performed some research on the matter or small aspect thereof, which may have also resulted in a written memo.

Usually results in the newly-minted "expert" being given more assignments on the same subject matter, with the expectation that they will be easy tasks for the guru.
Partner/Sr. Associate: "Can you handle this assignment? I heard you're the office guru on _____."

The guru: "Uh.... sure."
by thelawislame January 15, 2009
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