if the cap fits (wear it)
phraseBritishmainly spoken
1
used for saying that if someone thinks that a general criticism you have made is true about them, they should accept the criticism‘He as good as called me a slob!’ ‘Well, if the cap fits...’
Synonyms and related words
Ways of making or receiving criticism or blame
against
the buck stops here/with someone
charming
See also main entry: capSee also main entry: cap