bachnąć

From bach +‎ -nąć, of onomatopoeic origin.

• IPA^(key): /ˈbax.nɔɲt͡ɕ/
• Rhymes: -axnɔɲt͡ɕ
• Syllabification: bach‧nąć

bachnąć pf

1. (transitive, colloquial) to pound, to whomp, to thump (to hit hard) [+ w (accusative)] or [+ o (accusative) = against what]

   Synonyms: see Thesaurus:bić

2. (transitive, colloquial) to swing, to wave (to throw with force or recklessly) [+instrumental] or [+accusative]

   Synonym: walnąć

3. (intransitive, colloquial) to flop, to collapse (to fall with a thump)

   Synonyms: grzmotnąć, łupnąć

4. (transitive, colloquial) to flimflam (to cheat or deceive)

   Synonyms: see Thesaurus:oszukać

5. (transitive, colloquial) to do used expressively instead of any other verb

   Synonyms: strzelić, (imperfective only) tegować, (imperfective only) tentegować, trzasnąć, walnąć

6. (reflexive with się, colloquial) to flop, to collapse (to fall with a thud)

   Synonym: walnąć się

7. (reflexive with się, colloquial) to flop, to collapse (to fall over)

• bachnąć in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
• bachnąć in Polish dictionaries at PWN