Top definition
The Philharmonic is a sexual maneuver in which the man ejaculates on his partner's toes and then proceeds to play the harmonica on them. It is the primary cause of Gay Foot & Mouth Disease.

The Philharmonic, takes its name from a man by the name of Phil who was known for his leud behaviour.
Damn, don't tell me you did the philharmonic you disgusting bastard!
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