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Definition 2024


know_one's_shit

know one's ****

English

Verb

know one's ****

  1. (idiomatic, mildly vulgar) To be well-informed concerning a particular subject matter; to have a capable command of a particular area of expertise.
    • 2005, Mike Tucker, Among Warriors in Iraq, ISBN 9781592287321:
      "He really knows his ****. He knows more about guerrilla war than I could ever learn in ten lifetimes," Morales said.
    • 2011, Lev Grossman, The Magician King, ISBN 9781101535530, p. 134 (Google preview):
      “Any magician can ask another magician of equal or lower level to demonstrate the test corresponding to their level or any of the levels below that,” she recited. “To prove they know their ****.”
    • 2014, Dalton Fury, Full Assault Mode: A Delta Force Novel, ISBN 9781466835856, (Google preview):
      She knew her ****. . . . Without as much as a single stutter or misstep, she spoke about decisive point, synergistic execution, momentum shift, kinetic solution, and competent authority.

Synonyms