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  What it means

  Literally “to lie like a dog,” this idiom means to lie brazenly and shamelessly — to be a blatant, unabashed liar. The dog in this phrase symbolises not dishonesty itself, but shameless lack of self-restraint. “On łże jak pies — ani jedno słowo nie jest prawdą” — He lies like a dog — not a single word is true. The phrase conveys contempt for the liar and implies the lies are both numerous and obvious.

  Vocabulary

  • łgać — to lie, to tell lies (imperfective — somewhat literary/archaic compared to kłamać)
  • łże — he/she lies (3rd person singular of łgać — irregular form)
  • jak — like, as (comparison)
  • pies — dog

  Grammar note

  'Łgać' is a slightly archaic verb with an irregular conjugation: 'łżę, łżesz, łże' (I lie, you lie, he/she lies). Its more common modern synonym is 'kłamać.' Both are imperfective. 'Jak pies' is a comparator in the nominative — the dog is the second term of a simile. The phrase can be intensified: 'łgać jak pies z imieniem' (to lie like a dog with a name — an even more emphatic variant).

  Cultural context

  The use of 'pies' (dog) in negative comparisons is common in Polish: dogs appear in idioms for shamelessness, persistence, or wretchedness. 'Łgać jak pies' is informal to mildly rude — appropriate among friends expressing outrage, but too blunt for polite or formal contexts. Compare with 'kłamać jak z nut' (to lie fluently, literally 'to lie as if from sheet music'), which emphasizes skill rather than shamelessness.

  Intermediate

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