to say black is a person's eye (also eyebrow, nail,etc.): to find fault with or blame a person. Now rare.

transitive. To criticize, blame; to rebuke.

absol. To censure, find fault. Obsolete.

intransitive. To make an accusation or allegation about someone or something; to cast blame. Cf. to point the finger (of scorn, derision, etc.) at…