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(Adj. or N.) A word used to describe someone with the stupidity of the Frankenstein monster. Usually coupled with the dumb look of the monster's face and even walking around like the monster if the symptoms of frankstupidity are sever enough.
Example 1 (Noun)
Alex: 2+2 = fish right?

Amanda: NO! God, Alex, you're such a frankenstupid!

Example 2 (Adj.)
Amaly: I stole $300 from Amanda haha
Marbella: You're so frankenstupid, she'll figure out its you.
by Amanda's "future" bf May 13, 2009
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