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.
by prince30 July 31, 2009
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"
by Pissy McTakerton November 07, 2013