Answer:
Santa shakes his belly like a bowl full of me
I am the kind of soda you must not drink.
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
Take it and you will lose or gain more than the others.
I am enjoyed by some, despised by others. Some take me for granted, some treasure me like a gift. I last forever, unless you break me first. What am I?
When is it bad luck to see a black cat?