Googled "white sluts" to gather the majority view of what this means. Strangely and sadly, the link that came top was about them liking big black cock.
The subtext would appear to be that white women are sex mad and cock crazy.
This is apropos of earlier posts discussing whether white girls are in fact easy meat as Pakistani-Britons are said to think they are, and what, if anything, should be done about it.
Andrew Gilligan asks the question but does not quite dare answer it.
It is of course the elephant in the room.