noun
Hypothetical.
The ideal sex partner, composed from the best parts and features of different people.

verb
Hypothetical.
To have sex with a frankenfuck.
COWORKER 1:
Hey Doug, who's your frankenfuck (noun)?

COWORKER 2:
Well, let me see, Larry... I'd have to say Cheryl's ass on... Tammy's torso... with Tina's tits... and Monique's head.

COWORKER 1:
Yeah, I'd definitely frankenfuck (verb) that.
by Ronny Mecca October 16, 2007
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1. Having sex with an ugly girl

2. Having sex with a girl that you wouldn't let your friends catch you dead with (something is wrong with her)
"Yea right, I'll give that girl a call if I'm lookin' for a frankenfuck."
by mrdirty March 21, 2008
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"Man I was so disappointed when I got laid last night, 'Ol girl was a Frankenfuck. "
by cobo_pro May 8, 2009
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A slang term for Necrophilia in a positive way
While frankenfucking may be illegal, plenty of people just do it in the mausoleums.
by ksa101 May 14, 2015
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