Your shoes that you keep in your locker at school just in the case of you having to poop in the stall and you don't want people to know its you by the look of your shoes .
I took a shit at school today, good thing I had my Back-up Shoes in my locker.
When someone is fucking pissed and kicksyour ass and their shoe gets stuck up your microscopic assholes
Kid 1: Your mom
Kid 2: Im gonna kick your ass!
*Kid 2 kicks Kid 1*
Kid 2: Haha, shoe up da pipe whore!
Kid 1: Owwie!! Do you have any vaseline for this?