For me it's the flavour "Blue Raspberry" I mean, what the tits is a BLUE raspberry? It sounds like the most putrid concoction.
In hindsight, I guess it's the reminiscence to what with all the overabundance of additives in our food during the decades of the 80's/90's, back when public health wasn't as much of a concern, and everybody was doing crack cocaine, meth, and heroin.
Pic related I guess:
