She dismissed his argument with a simple 'pish posh'.
pish and vinegar
Frequency:
25
%
Despite his age, he still had plenty of pish and vinegar in him.
Idiomatic Expressions for pish
Phrase: pish off
Meaning: used as a rude way to tell someone to go away or leave
Usage: He told the annoying salesman to pish off and stop bothering him.