look up any word, like muddin:
 
1.
receiving oral stimulation of the penis from another's mouth.
I was getting brain from the girl in the passenger seat.
by lordFRZA October 15, 2005
 
2.
Receiving oral stimiulation of your genitals.
Chelsea was getting brain in the backseat of her car.
Ruben was getting brain in the backseat of his car.
by chelsea2312 March 06, 2012