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1.
When you call someone this you are essentially calling them gay. You're saying that they partake in butt sex. If you take the word apart, then it will make since: deuce on man dick. It's written together because you say it as one word.
Mrs. Crosser's a deuceonmandick!
by kellysucksbutirideitanyways February 13, 2008

Words related to deuceonmandick

aids butt sex gaywad homo mrs. crosser