1)a locker full of asses
2) an ass so big you can store shit in it. And for this definition shit includes: books, jackets, and spacemakers.
"Hilary smells like an ass locker." - Beau
"She also looks like an ass locker." - Biff
"Hilary has a donk." - Kat
"Correction, Hilary has an ass locker." - Bethany