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1.
A female who excels in the art of sucking cocks. Has become known for blowing your mind.
That bitch gave me some wicked brains, she was a brain surgeon
by Patrick Segunta September 10, 2003
 
2.
Sarcastically applied to someone who makes a dumb mistake.
"You threw away the winning ticket?! Way to go brain surgeon!"
by tho3m December 30, 2009
 
3.
a girl who's always on your mind
jessica alba, jlo, etc.
by Jonathan Lee April 10, 2005
 
4.
When a man or a woman grasps and chokes a mans sack and then starts licking and poking the bulbous result with his or her tongue.
That chick is a brain surgeon
by grandolmasterroshi January 25, 2011