Candy corn and Bit-O-Honey are good.
But actually, I can't remember what it was called but I remember sometimes getting this pink bubblegum that was always nearly as hard as a rock when you first started trying to chew it and its bubbles were always weak. It also vaguely had the "bubblegum" flavor for about five seconds before instead taking on the flavor of your saliva.
That's the worst I'm pretty sure.
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Essy, Avian Enthusiast