(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 12, 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 4, 2019
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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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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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An individual that is obessessed with homework yet still finds time to party it up and party they do.
It's a Friday night and Jaymie is drunk, but the party is dying down so they pull out their homework. Therefore Jaymie is a keener.
OR
"I was studying for fun earlier let's get plastered now!" < that would be a keener talking or Jaymie
OR
"You're a keener" or "What a keener" (refering to jaymie or taylor)
OR
"WTH Taylor is on the principals list but got so drunk that her hangover resulted in taking half an hour to walk a block and sitting in 5 different puddles along the way" TAYLOR WOULD BE A KEENER.
by Gemini Dorian March 23, 2007
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an individual that consumes a large portion of their life dedicated to schoolwork yet still has the time and desire to party their ass off
Jimmy: "Hey Mr. Ratfly, i have the highest GPA in the school, how can you decline my offer for the Chemistry Club?"

Teacher: "Plain and simple, Jimmy. You can elude yourself with your supposed academic skills but we all know you're a keener."

Jimmy: "Aah, whatever. I was just gonna throw your lab books and test tube racks into a fire anyway.."
by Fan Tastic March 23, 2007
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