a male that gives oral sex to other men.homosexual,fag
They are bunch of roundmouths
by aks March 20, 2004
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Mr. Roundmouth is a slang term for your butthole.
Dang dude, I am never drinking that much again. Mr. Roundmouth was puking all morning and I couldn't get any sleep.
by Willy Wig January 10, 2012
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