A woman who is both a frump and a strumpet. A bagger who is a slut. A whore who is also a Cleveland Brown. A butterface who will gladly put out. Frump + strumpet = frumpet.
A brasswind instrument made by Getzen from the 1960s - 1980s that was intended as a cross between a trumpet and a french horn and usually keyed in F (with an Eb tuning slide as well). It was notorious for its tricky intonation.
"That trumpet is huge!"
"Actually, it's a frumpet. Kinda line an alto trumpet, but mellower."