The rear fenders were commonly referred to as "chipmunk cheeks".

The deep bass voice disconcerted Selern, coming as it did from the chipmunk cheeks and bright green eyes of a fool.

Or that Cameroonian metal head with the chipmunk cheeks and barking dog on top (bought from a Mr. Sillah in Cambridge in 1979)?

This creates the appearance of "chipmunk cheeks."

Swelling occurs in parotid glands on both sides of the face, giving the appearance of "chipmunk cheeks."

The same kids who had called me an anorexic when I was underweight now called me "chipmunk cheeks."

Hillary Clinton, who has chipmunk cheeks and a whopper of a grin, may be his model here.

She smiled as she took in the droopy eyes, the curved mouth, the chipmunk cheeks, and doughy fists.

There was a minimum of leer on Alan's face; perhaps his chipmunk cheeks were a bit more in evidence than usual.

The man in person was tall, bright-eyed and intense, with bulging chipmunk cheeks and a broad smile.