phpht

/fθft/
interjection
  1. Used to express a dismissive or contemptuous sound, often indicating that something is unimportant or unimpressive.
    • When he bragged about his small win, she just said, 'Phpht, that's nothing.'
    • He waved his hand and went 'phpht' to show he didn't care about the criticism.
    • Phpht, I've seen better magic tricks from my little brother.
Synonyms