Cockpits!
Boobie traps!
TITMOUSE!
Makes me think of Monty Python's Are You Embarrassed Easily?  lol
*John Cleese*
Shoe.
Megaphone.
Grunties.
But even phrases like Wankel rotary engine cannot rival the embarrassment potential of sound! Listen to this, if you can!
*sound byte redacted for nastiness*