Definitions by WhaleBlubber

Sexaphone 

A person who, during sex, moans musically, occasionally moaning the notes to a common song.

Person A: Last night I hooked up with a chick and I swear, as she neared orgasm, her moans started to sound like "Mary Had a Little Lamb"
Person B: Wow. What a sexaphone!

Sexaphone by WhaleBlubber June 3, 2010