whitewash

a defeat in which the losing person or team fails to score

wash consisting of lime and size in water; used for whitening walls and other surfaces

a specious or deceptive clearing that attempts to gloss over failings and defects

Any wash or liquid composition for whitening something, as a wash for making the skin fair.

cover up a misdemeanor, fault, or error

cover with whitewash

exonerate by means of a perfunctory investigation or through biased presentation of data

To apply a white liquid composition to; to whiten with whitewash.

In various games, to defeat (an opponent) so that he fails to score, or to reach a certain point in the game; to skunk.