Idiom: Blot One's Copy BookCheck definitions of...blotonescopybookMeaningsHow to pronounce "blot one's copy book":AU Your browser does not support the audio element. To damage one's own reputation through bad behavior.A-Z Proximitiesblood, sweat and tearsblood moonbloom is off the roseblossom outblot on the escutcheon blot one's copy book blowblow a hole throughblow a kissblow awayblow chunksSimilar Idiomsblot one's copy bookblot on the escutcheonbook dumpingbook inby the bookby-the-bookclosed bookfor the bookhave more chins than a Chinese phone bookknow every trick in the bookmake bookopen booktake a leaf out of someone's bookthrow the book atturn up for the bookyou can't judge a book by its coverSimilar Phrasesblot outcarbon copycopy editingcopy editorcopy outdraft copyfair copysoft copyhard copymaster copyprompt copyreview copytest copywrite copyxerox copyappointment bookbell bookblue bookbook bagaccount book