blackwash
noun
RareNot in standard dictionaries
1
A whitewash victory for any New Zealand national sporting team.
2
A whitewash victory for the West Indies cricket team. Started in the 1984–86 "Blackwash" series of the West Indian cricket team in England in 1984.
3
A lotion made by mixing calomel and limewater.
4
Public campaigns and advertising funded by the coal industry to draw attention away from environmentally unsustainable practices or to justify exclusion from carbon taxes.
5
A villainization campaign.
#slang