Cat burglar

The police captured the cat burglar, still wearing his black clothing, as he climbed down from the second story of the big house.

Cat got your tongue?

What's the matter? Why don't you talk to me? Has the cat got your tongue?

Cat nap

Marlon took a short catnap while he was waiting for Ellen to come home from the store. He only slept for about 20 minutes, but he felt refreshed.

Dog tired

Solomon was dog tired after his ten-hour shift at the restaurant.

Dog your heels

The reporter dogged Mayor Jackson's heels until he finally agreed to talk to him.

Dog-eared

Nadine read the book of poetry so thoroughly that it was dog-eared where her favorite poems were.

Play cat and mouse

The police played cat and mouse with the burglar, catching him and then releasing him, until they had enough evidence to charge him with a crime.

Raining cats and dogs

Dick went back into the house to get his umbrella when he realized it was raining cats and dogs outside.

The cat's meow/ The cat's pajamas

Bobby thought his new bicycle was the cat's pajamas. (somewhat old fashioned)