What is Dirt Box?
1.
arse, the tight brown rather than the easy pink, poo pipe, chocolate starfish
Suzie wouldn't let me up her dirt box and I had to settle for her fouf instead
See
2.
the anus hole - ring piece
you have got a realy smelly dirt box.
3.
Same thing as butt nut only for girls, if a girl wipes from the front she gets dirt on (or sometimes in) her box.
Heather got a dirt box.
See