It is actually "double entendre".
It is French for "double hearing"
It is a word or group of words said that can have two or more different meanings.
Often there is a "normal" meaning and the second one has some kind of sexual connotation.
Some examples are:
Pool players have balls.
Dentists always look down in the mouth.
Chat with our AI personalities
You get 24 if you double 12.
B sharp, C double-sharp, D double-sharp, E sharp, F double-sharp, G double-sharp, A double-sharp, B sharp.
Multiply x2, then do it again.
wavelength
146