Relating to the restaurant chain Chipotle, your Shipole Sista is your close friend. You are her Shipole Sista and she yours. You have inside jokes are goofy and crazy around each other. You can always rely on your Shipole Sista for a good laugh.
"Yeah, next time I see that guy I am thinking about punching him in the choad for grabbing my girlfriend's clit through her pants...whatta buttpipe shitpole."