1 definition by THE evil bagel

brain orgasim

When you aren't feeling it "down there", but your brain(and nervous system) is jstu so overloaded with feeling(usally about a person).

girl one: omg..look at the hot guy!
girl 2: yah..thats michael!
girl 3: wow...omgomgogm! brain ORGASIM!

by THE evil bagel May 29, 2005