Meaning of pish in English:

pish

Pronunciation /pɪʃ/

exclamation

dated
  • Used to express annoyance, impatience, or disgust.

    ‘To put it into perspective, I used to spend hours - pish, days - solidly playing some of the ancient Amiga games.’
    • ‘My brain is in total shut down mode, a splitting headache, nose running, exhausted… pish.’
    damn, damnation, blast, hell, heck, Gordon Bennett

Origin

Natural utterance: first recorded in English in the late 16th century.