No it's just a snack in South park.
Depends on how the person uses the word "Poof" it could mean POOF they disappear... If you are using the word in a chat room such as in one where people can get kicked they will just say "poof" and...
Biscuits with cheese baked inside as a filling.
a bean with cheeas inside
A cheesy pickle is a pickle covered in cheese commonly eaten by the Dutch.