F**king retarded, or not knowing something simple.
Guy 1: (whispering) Psst.. Hey man, whats' 6 plus 1?
Guy 2: (also whispering) It's seven, you blonde brain....
Guy 1: Bitch please.
by GrapeRape69 May 29, 2014
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Blonde for brains is a phrase used to describe a girl who fits into the ‘dumb blonde’ stereotype. Basically just a basic rich girl with the memory of a goldfish.
Hey blonde for brains! You should stick your head in a washing machine! it’s GREAT for your skin!
by gaycandle7 April 30, 2020
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