Top definition
An endearing term used to describe a female.
The nicest, coolest, most beautiful girl you'll ever meet. A genius cookie commonly combines brains and heart with beauty for a killer combination. The term is only to be used to describe the best of the best, the cream of the crop. Genius cookies are often paired with stinkers.
You'll be my genius cookie forever and ever
by Anonymous January 22, 2004
Get the mug
Get a genius cookie mug for your Aunt Helena.