The craziest most random off the wall psycho social individual in a large school or group, this person is also often known to be able to eat extreme amounts and fit a large portion of food in their mouth at once.
"Omg its the keener!"

"Quick hide the food he might be fukkin hungry."
by xXxdaorginalxXx November 15, 2009
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(Canadian slang, noun) Individual eager to demonstrate knowledge or participate enthusiastically in school, church, seminars, etc. Like nerd, geek, brown-noser, smartypants, etc. but with more emphasis on willingness and enthusiasm, and less on social inadequacy, sycophancy, or natural ability.
Sally's classmates thought she was a keener because she always put her hand up in Chemistry, but her friends knew she had a crush on Mr. Smith.

A: I finished all the homework for next week.
B: Don't be such a keener! You're making the rest of us look bad!
by slickerthanthou April 13, 2007
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A person who is really extra in everything they do, especially academics. They always deny the fact that they are a keener and pretends like they don't do any work, but everyone knows they are lying.
Shaheer: I spent $400 on my school project to make it extra cool and amazing!
everyone: Smh....what a keener...
by the other keener April 5, 2019
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An individual obsessed with academic performance. This person treats every assignment, quiz, and test as if it were a life and death situation. It is imperative for a keener to receive straight A's in every class. If a keener receives a mark less than an A, said keener will wallow in a pool of self-pity and depression. However, keeners quickly recover by doubling their efforts in an attempt to redeem themselves of this failure.

Keeners also exhibit chronic habits which make them easy to spot. A keener will have intense feelings of anxiety about an upcoming test 3 months in advance and then proceed to receive an A later. Keeners also have a calculator at all times in order to calculate their GPA at any given moment in order to reassure themselves that they will receive an A in the course. A keener also possesses the lightning reflexes of a black mamba in order to raise their hand at an astonishing speed to answer any question that the teacher may ask in order to demonstrate their mental prowess. But most important of all, a keener is one that is enthusiastic about learning more than anything else.
Jessica: OH MY GOD! The final is going to be so hard! I'm going to fail this course!! I need to start studying now!

Me: Uhh...classes haven't even started yet and you and I both know you're going to ace this course, you're such a keener.
by KingOfKeeners September 24, 2012
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a person who is obsessed with school work. doesnt have much of a social life.
she is such a keener. all she does is work.
by ull never know August 8, 2005
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Keener is a Canadian slang term used to describe someone who is overly eager to learn and prove themselves. Can sometimes be considered to describe a suck up too. Simply words are nerd, geek, smartypants, etc. The only difference is that there is less emphasis on social standing and natural ability. Also, the word puts more emphasis on enthusiasm, willingness, and over all attitude.
A: Cindy is such a keener, she raised her hand for every question in Mr. Willison's class.

B: I know, she gets an A on every single test, and she freaks out when she doesn't.
by faestar June 9, 2010
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canadian slang for a brown noser or suck up..negetive term
"She bought the teacher a present?! What a keener, eh?!"
by person here March 2, 2005
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