ZOT is the sound made when something or someone gets electrocuted. Trolls get the ZOT (boot), which means they have been banned or suspended.
At least that is my understanding of it. (I had the same question once)
Yes, but you weren't a troll-in-training.
sooooo if you're really bored ... supporting DQ on Freep is what to do, right ?
(yields you tons of interesting images at least)