I love slurpees. They are so yummy. My favorite kind are the Hawaiian punch ones.
The clerks are so random and friendly. There was a cashier who had just about everywhere imaginable covered in tatoos, but he was really nice and gave us recommendations like "those hot dogs have been in there for a really long time so you should pick something else to eat"
7-11 is nice because you can even go there late at night when the slurpee urge kicks in.