noun: a modest term describing
un-modest women; prostitutes
The phrase is used by
Bubbles on the tv show Trailer Park
Boys.
It doesn't get much greasier than spending all your
money from recycling
beer bottles on a few ladies of the evening.
Ladies of the night, whores, hookers, skanks, tramps, hoes, prostitutes, skallywags, wenches, harlots, call girls, streetwalkers, thotties, you
name it.. whatever you want to call them, they're ladies of the evening.