I have an irrational fear of compressed gas tanks. When I worked at the ice cream store I always had to get someone else to change the tank for me. I don’t recall any childhood trauma related to compressed gas. But I’m scared of them for some reason. 10 points to the first person to guess Biff’s favorite soda.

I bet its rootbeer.
Darn, I thought it was 7-UP
By the looks of it Radioactive Urine is his favorite soda. a.k.a. Mountain Dew