no brain

Someone so clueless, stupid, or oblivious that you are certain they have nothing between their ears.

I can't believe Jon can't use a tape measure. What a no brain.

by theidgasking May 01, 2014

no brain

3l337 godfather of all things 0wnag3
n0_131241N
This little guy stole my woman, then dumped her. What a guy! Whooooo!! He always whipps muh ass in Counter-Strike and Unreal Tournament

dude!!!!1!!11!111! n0_131241N just pwned the living hell out of me! Hell he is sexy!

by nicky b December 30, 2003

the brain

When u grab your sack and squeeze forcing your balls to go tight against the skin, causeing THE BRAIN!!!

Dan-THE BRAIN!!!
Steve-AHHH WTF DAN

by J-dawg January 01, 2005

brained

Verb. To be hit really hard in the head.

I got seriously brained against a brick wall and I still can't see straight.

by Fab Swing Dancer (who has been nearly brained on several occasions) May 22, 2006

brain

Another word for head, or blowjob. This term is most appropriate however, because unfortuantley, most male brains reside in their penile regions

"That girl has a foot long tongue, I bet she gives great brain!"

by Rae Rae May 13, 2005

Brain

Something that Justin Bieber fans don't have.

Susan: I have such a huge crush on JB!

Bill: I always knew you had no brain!

by Sum Gy August 27, 2012

On the brain

To constantly think about something.

Steven has sex on the brain.

by Hello-There-1989 August 30, 2013