I accidentally sat on my bum cheeks.

She blushed and her arse cheeks turned bright red.

She wore a bikini that barely covered her ass cheeks.

She blushed and felt the heat rise to her nether cheeks.

The cheek teeth are used for grinding food.

The two houses were built cheek-to-jowl, with no space between them.

The two friends were sitting cheek-to-jowl at the concert.

They were sitting cheek to jowl at the crowded concert.

The two houses were built cheek to jowl, sharing a common wall.

The two houses were built cheek-by-jowl, sharing a common wall.