a musical instrument played by pulling ones penis tight enough to where it can be strummed like a guitar. often used in folk music on nudist colonies.
I was strumming my manjo to the beat of the washboard.
by roboatse July 15, 2008
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A Saggy weiner.....................................
tristan: how was the party?
miss clemits: suck my manjo u failing son of a bitch, get ahold of your life n suck my dick.
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