blotted one's copy book

A form of blot one's copy book — To damage one's own reputation through bad behavior.

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Meanings

verb
  1. participlepastsimple past and past participle of blot one's copy book
Cite this entry
APA

blotted one's copy book. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/blotted%20one's%20copy%20book

MLA

“blotted one's copy book.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/blotted%20one's%20copy%20book. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “blotted one's copy book,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/blotted%20one's%20copy%20book.

Source: blotted one's copy book on Wiktionary, CC BY-SA 4.0.