pished

verb

past tense of pish; to express contempt, disbelief, or dismissal by making a sharp hissing sound or saying 'pish'

Usage: informal; often used to show annoyance or skepticism

Examples

She pished at the suggestion that she was too old to run a marathon.
He pished dismissively when told the rumor about his rival.
The critic pished the new film as derivative and uninspired.
When I mentioned the superstition, my grandmother pished and rolled her eyes.
They pished away his concerns as mere paranoia.