Wiktionary

let it crust

English

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Verb

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let it crust (third-person singular simple present lets it crust, present participle letting it crust, simple past and past participle let it crust)

  1. (slang, humorous) The act of leaving leftover feces marks in the anus to dry rather than wiping it out.
    Do you wipe or let it crust?
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