High fat food items that when ingested increase the size of your butt.
If you keep eating all that fried butt luggage you won't be able to fit your ass out the door.
A polite way to say SHIT! A reference in an episode of Fairly Odd Parents.
What a pile of butt luggage.
Anna: That girl has a big ass.
Brenna: She does have some junk in the trunk.
Jules: Ladies, it's call butt luggage and it's beautiful!