hoist by one's own petard
/hɔɪst baɪ wʌnz əʊn pɪˈtɑːd/
to be hurt by one's own actions.
“The critic was hoist by his own petard when criticized.”Add to my deck
/hɔɪst baɪ wʌnz əʊn pɪˈtɑːd/
to be hurt by one's own actions.
“The critic was hoist by his own petard when criticized.”Add to my deck