1 definition by whoyourmomwaswithlastnight;)

when two people simultaneously think of the same thing and it is said by either one of them , the other one can point out the fact that he/she was thinking of the same thing, therefore a brainection has been obtained.
joe - dude we should totally ditch the function and smoke up.
brian- dude ! i was thinking of the same thing!
joe - haha brainection bro!
by whoyourmomwaswithlastnight;) December 25, 2010
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