1 definition by Professor S. L. Oug

Top Definition
A portly gentleman who has a head like Frankenstein and a big fat pot belly to match.

Usually seen wearing a dressing gown.
Good God. Frankenbelly just ate an entire banoffee pie. That's not going to do ANYTHING for his ridiculous Frankenstein forehead or his rotund belly.
by Professor S. L. Oug December 30, 2008

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