Meaning of the word "like the cat that ate the canary" in English

What does "like the cat that ate the canary" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

like the cat that ate the canary

US /laɪk ðə kæt ðæt eɪt ðə kəˈnɛəri/
UK /laɪk ðə kæt ðæt eɪt ðə kəˈnɛəri/
"like the cat that ate the canary" picture

Idiom

1.

looking very self-satisfied, especially after having done something mischievous or secretive

Example:
After he secretly took an extra cookie, he looked like the cat that ate the canary.
She walked like the cat that ate the canary after winning the lottery.
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