Word.ws English Dictionary

know one's shit

know one's shit verb: synonym of know one's stuff, to be knowledgeable about a subject or task.

Verb

know one's shit (third-person singular simple present knows one's shit, present participle knowing one's shit, simple past knew one's shit, past participle known one's shit)

  1. (idiomatic, slang, vulgar) Synonym of know one's stuff, to be knowledgeable about a subject or task.
    • Joe really knows his shit when it comes to plumbing.
    • "He really knows his shit. He knows more about guerrilla war than I could ever learn in ten lifetimes," Morales said.2005, Mike Tucker, Among Warriors in Iraq, →ISBN
    Synonyms:
    know one's stuff, to be knowledgeable about a subject or task

Synonyms of know one's shit

Forms of know one's shit

third-person singular presentknows one's shit
present participleknowing one's shit
pastknew one's shit
past participleknown one's shit
alternative formknow the shit

Questions about know one's shit

What does know one's shit mean?
Know one's shit means synonym of know one's stuff, to be knowledgeable about a subject or task.
What part of speech is know one's shit?
Know one's shit is a verb.
What is the past tense of know one's shit?
The past tense of know one's shit is knew one's shit.

Words near know one's shit in the dictionary

  1. know one's mind
  2. know one's onions
  3. know one's own head
  4. know one's own mind
  5. know one's place
  6. know one's shit
  7. know one's stuff
  8. know one's way around
  9. know shit from Shinola
  10. know someone
  11. know someone from a can of paint

Source and license

Adapted from Wiktionary: know one's shit (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-know one's shit.ogg.

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