Definition of blots:
(n) :
A blemish, spot or stain made by a coloured substance.
(n) :
(by extension) A stain on someone's reputation or character; a disgrace.
(v) :
(transitive) To cause a blot (on something) by spilling a coloured substance.
(v) :
(transitive) To impair; to damage; to mar; to soil.
(v) :
(transitive) To stain with infamy; to disgrace.
(v) :
(transitive) To obliterate, as writing with ink; to cancel; to efface; generally with out.