neapolitan knickers
The disgusting state of a proper old slappers gusset. Vanilla, strawberry, chocolate, the lot.
Fuck me got my end away last night but that dirty old tart had neapolitan knickers.
Neapolitan Knickers
Noun 1- British Slang for the stained, malodorous and curiously damp underwear worn by women of ill repute. So called because of their distinctive 3 stripes of colour Red, Brown and Yellow.
"Blimey! Look at 'er Neapolitan Knickers! they must be three yards across"