The screechy sound that dial-up made when connecting.
Anybody remember Lik-Um-Aid? Or some such spelling? Same idea … and I miss the original Fizzies! I can find them, but they are way ovepriced!!!
The current Kool-Ade fizz things are NOT the same.
The actual complete name is Lik-Um-Aid Fun Dip. I can find those all over the place.