Blackball

1. A composition for blacking shoes, boots, etc.; also, one for taking impressions of engraved work.
2. A ball of black color, esp. one used as a negative in voting; -- in this sense usually two words.

imp. & p. p. Blackballed; p. pr. & vb. n. Blackballing

1. To vote against, by putting a black ball into a ballot box; to reject or exclude, as by voting against with black balls; to ostracize.

   He was blackballed at two clubs in succession.

2. To blacken (leather, shoes, etc.) with blacking.