She is cheerfuller than her sister.

Cheery-bye! Have a great day!

Cheerie-bye! Have a great day!

She had a cheerfull disposition that brightened everyone's day.

She cheerest her friends up with her jokes.

He really knows how to piss in someone's Cheerios.

Her cheerishness was contagious, spreading joy to everyone around her.

He bought a new leather cheerio for his motorcycle.

I found a bag of leather cheerios at the store.

Cheerioh! It's time to start the day.