keep it keen!

Phrase commonly spoken by the infamous mr keen (chemistry teacher).
guy: mr keen, I got a 40 on your midterm! can I come after school and get help?
mr keen: your grade will be fine. keep it keen!
by Emmy_______ June 24, 2005
mugGet the keep it keen!mug.
Girls gets bored when guys are too nice.

You have to treat them mean to keep them keen!
That's why bad boys always gets the girl.
Guy: "Hey dude i really like that girl"
Dude: "Well then you have to treat em mean keep em keen"
by ThatGirlWhoNeverGetsBored June 18, 2017
mugGet the treat em mean keep em keenmug.