A large, thick penis in terms of modifying the phrase "johnson," with "gregory," meaning 'girth' -- named after an extra fat, thick retarded child.
by moses alfredosauce August 1, 2008
Get the gregory johnson mug.A penis that is disproportionately small by comparison with the rather colossal man who possesses it.
Man, did you see Greg's dick in the locker room yesterday? I thought for a seven foot tall, 280lb man, he'd have been hung. But he has a real gregory johnson.
by amaZingKip September 20, 2011
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