He's being a little, cheeky monkey.

My brother got cheeky.

Mary is such a little cheeky chops!

Do not be cheeky!

Don't be cheeky!

His response was cheeky.

If you're cheeky once more, I won't read you a story tonight.

My brother became cheeky.

Listen up! Don't be so cheeky!

I know him, a wily, cheeky lad.