Thanks to Imnakoya who provided the link to the 'Heart of Africa' website where all the bright ideas to whitewash or will it be a blackwash Nigeria's image are set out.    From Wordnik.com.  [Selling Nigeria] Reference

Like it or not the Tories are going to be painted with the blackest of blackwash as the nasty uncaring party who hit out at their class enemies and the disadvantaged. closing hospitals, libraries, post offices, nursery places, schools, police stations all to come.    From Wordnik.com.  [The Conservative Conference Is Irrelevant] Reference

"blackwash".    From Wordnik.com.  [British Blogs] Reference