Meanwhile we will put you on hold while he while he is with other customers or flirting with his aid. Or both.
"You have -0- customers ahead of you. Expected wait time is: 3 hours. Meanwhile enjoy listing to our 2 song Michael Jackson playlist.... 'BILLY JEAN IS AT MY DOOR...'"
Either the wait is necessary for a dysfunctional customer relationship...
...or the phone is on speaker they are just messing with you just to hear you complain about being on hold when in fact you aren't.