Top Definition
Scientists have now discovered that when two people who spend a significant amount of romantic time together, their brain waves synchronise. This is radio active and is loosely based on midi-chlorians (this has yet to be proven).

Some have lavishly coined the term the 'Brainhump'. When two brain waves meet radioactively, word babies are spawned in the mouth of both individuals simultaneously.
Boy: Pick a random letter on the keyboard.
Girl: ok

3 seconds later at the exact same time

Boy: s
Girl: s

Boy: BRAINHUMP!!!
Girl: BRAINHUMP!!!

Boy:omg twins ;D
#brainhump #brain #hump #star wars #babies #mouth #word
by WordBabyMaker March 06, 2012
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