Nail Bag
A girl who is or acts like a slut.
"Did you see that girl dancing last nite?"
"Yeah, she was such a nail bag!"
"Yeah, she was such a nail bag!"
roofers nail bags
Saggy boobs / tits and another phrase like spaniel's ears
Look at that set of roofers nail bags
slate layers nail bag
A very saggy pair of woman's breasts.
Mate, she had tits like a slate layers nail bag.
Face like a roof tilers nail bag
Woman who's face is well and truly weathered.
Don't fancy yours much John, She's got a face like a roof tilers nail bag.