brain-ninja'd 

(verb) to mess with a member of the opposite sex's head, usually by women. Originates from the comedy routine of comedian Dane Cook.

"Peter needed to talk after Maria brain-ninja'd him."

brain-ninja'd by strongbadia7 December 9, 2007

brain ninja'd 

when your in a horrible "relationshit" and you get in a fight one day and the girlfriend happens to say a comment that will seem at first like the worst come back ever but soon will make you so friggin' angry that you go make a ass out of yourself in front of her

yeah steve i completely was fucking brain ninja'd, i walked in and just sounded like a complete dumm shit

brain ninja'd by dickydick May 31, 2007

brain ninja'd  

A medical term used to describe when an extrodinary woman leaves you speechless.

Ben: You always ignore me when I call you.
Brittany: Ya well you never leave a message
Ben: (speechless)
Brittany: Ya you've been brain ninja'd !

brain ninja'd by Benny Frederick April 7, 2009