1 definition by the other keener

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
Get the keener mug.