Top Definition
Absolute spastical retard who looks like a gorilla and has the IQ of a jellyfish. Ryan McGrenahan is a failure to society and puts single-celled organisms to shame. Surname derived from China, but the McGrenahans are a lot less developed. Phil and Breda have tried to orphan Ryan many times, but he keeps waddling back. It has been suggested that Ryan McGrenahan will finally be accepted into the tech at the age of 34, and will enter into a 47 year career of being a test-lab Guinea pig.
Tully: Hey, what did you get in your end of years?
Ryan: 3Ds, 5Es, and the rest were Us
Tully: man, you are one dumb fuck of a mcgrenahan!
by 47°C June 16, 2014

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