the pot calling the kettle black

US /ðə pɑt ˈkɔlɪŋ ðə ˈkɛtəl blæk/
UK /ðə pɑt ˈkɔlɪŋ ðə ˈkɛtəl blæk/
"the pot calling the kettle black" picture
1.

a situation in which someone criticizes another person for a fault that they have themselves

:
He called me lazy, but that's the pot calling the kettle black, considering how much he procrastinates.
She complained about his messy room, but her own apartment is a disaster. Talk about the pot calling the kettle black!