[n] an act that brings discredit to the person who does it; "he made a huge blot on his copybook"
[n] a blemish made by dirt; "he had a smudge on his cheek"
[v] make a spot or mark onto; "The wine spotted the tablecloth"
[v] dry (ink) with blotting paper
blob, daub, fleck, slur, smear, smear, smirch, smirch, smudge, spot, spot, spot, stain