Top Definition
Taking a dump in a person's mouth while smacking them in the forehead with a "meat bat." While various penetrations are highly encouraged, a true Oral Hersheiser must not include sexual consummation, as the eponymous baseball player holds the record for most "scoreless innings."
"You haven't had Scheiße till you've had an Oral Hersheiser!"
by D. Finer November 28, 2006

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