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the rubbing of ones "grundle" on someones mouth leaving pubic hair in their teeth. The piano part comes from the dark hairs in contrast of the teeth, which should be white.
"I gave this girl a sweaty piano the other night. for the next week she complained about pubes in her teeth."
by aLox August 13, 2006

Words related to Sweaty Piano

drunken fun grundle sexual fun sweaty carl your mother