I drank this regularly in Junior High. It basically tasted like "Swamp Water" (all the available sodas at a fountain mixed together) with a slight awkward vanilla or black liquorice tone. I remember it tasting especially bad if it wasn't cold.
Blast from the past, not sure why it is on HN, I did a double take. Didn't know I was in a "Test Market". Ok Soda and ORBITZ were the only flash in the pan sodas I remember from that generation.