The mouthbreeder protects its eggs in its mouth until they hatch.

The round-mouthed fish is a unique species found in deep-sea habitats.

Mouthbreeders are fish that carry their eggs and young in their mouths.

She is known for being a motor-mouth.

She always mean-mouths about her coworkers behind their backs.

She mean-mouthed her ex-boyfriend in front of everyone.

She used to laugh out of the other side of her mouth when she saw him, but now she can't even look at him.

He was speaking out of both sides of his mouth during the meeting.

She covered her mouth with her hand to stifle a giggle.

Shut my mouth!