pot calling the kettle black UK /ˈpɒt ˈkɔːliŋ ðə ˈkɛtl̩ ˈblæk/US /ˈpɑt ˈkɔliŋ ðə ˈkɛtl̩ ˈblæk/ noun1 •A situation in which somebody comments on or accuses someone else of a fault which the accuser shares.I think it's a case of the pot calling the kettle black when she says he is obsessive.