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To take one of your testicles out and scare your friends with it by calling it an alien brain. The veins and shape represent that of an alien brain.
I was so drunk last night I must have alien brained at least 10 people!
by PinkyntheBrain October 25, 2011
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2
To be photographed whilst sleeping, sporting a set of somebody elses testicles upon your brow!
'Aaaaarrrrrrrrrrrarrrrrrrgh, I've been Alien Brained!!!' After receiving the Martian like picture through your door.
by Davey Cadaver November 23, 2007
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