BBQ crisps are indeed my favourite, but according to @suesa (who made the Chip Advisor), I am usually wrong about food. She also says that mint chocolate chip, which is my favourite flavour of ice cream (and pretty much anything if available), tastes like "weird toothpaste."
I also believe salt and vinegar are her favourite, which means that your comment is very entertaining. Honestly though, my opinion on those has shifted over the years. I wouldn't touch them as a child, but as time has passed little opportunities have come up. When they're the last sort of crisps at the party, and you're drunk, and hungry... well, what are you going to do? I eventually got to the point of, I'll eat them if they're there.
But today, I was for some completely unimaginable reason inspired to purchase a variety pack of crisps, and I decided to give them another go. Honestly? They were okay! I'd eat them again. I probably would not purchase a standard bag of them, but I would consider them welcome in another variety pack.
I think the most interesting flavour of crisps I have ever consumed were chocolate raspberry. I loved them. I would purchase several bags of them if I found them again.