like the cat that got, stole, etc. the cream
like the cat that stole the cream
Obviously smug or overly pleased with oneself. After her promotion, Janet spent the rest of the day looking like the cat that stole the cream.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
like the ˌcat that got, stole, etc. the ˈcreamvery pleased or satisfied with yourself: Ever since she won that prize, she’s been like the cat that got the cream.
Farlex Partner Idioms Dictionary © Farlex 2017