cat that ate the canary (English, noun)
expansion: cat that ate the canary
Senses:
glosses: A person who appears self-satisfied or smug, especially while concealing something mischievous, prohibited, or private.
tags: idiomatic
glosses: A person whose appearance and behavior suggest guilt mixed with other qualities, such as satisfaction or feigned nonchalance.
tags: idiomatic
Forms:
form: cat that swallowed the canary
tags: alternative