Top Definition
A customer, regardless of his 400 credit score, coming into a Mercedes Benz dealership and saying he is going to come back with a cashiers check for 200k dollars when his diaper invention pays off. Of course this person is never heard from again. This can apply to any said person pretending to have the ability to pay cash for expensive items when in reality they are only fooling themselves.

orgin CA
Oh, I wont be financing this vehicle, I am bringing back a cashiers check for the full amount because of my (insert any answer here like im getting a big inheritance, or my diaper invention is paying off.) Hence, diaper inventor guy will never be seen again.
by JC, VT September 05, 2009
5 Words related to Diaper Inventor Guy

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