Its mouth ached.

His mouth pained him from repeated punishment, his head ached, and he was no longer tempted to precipitate action by hasty speech.

His mouth ached, and his heart thudded painfully from exertion and fear.

His mouth was aching and he was exhausted with the pain.

She'd followed protocols and niceties until her mouth ached from trying to smile away her frustration.

His mouth ached to taste her, all of her.

Though her mouth ached for the taste of him, her body thrilled to the desperate race of his lips over her skin.

Blackthorne was famished and his mouth and body ached from the scurvy.

Alec's mouth and fingers ached as he controlled the reaction.