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.

They lived cheek-by-jowl in a small apartment.

His tongue-and-cheek comment made everyone laugh.

He made a tongue-and-cheek remark about the situation.