His mouth was open, and his swollen tongue filled his entire mouth.

The infant's tongue fills the entire mouth, thus reducing the range of movement.

His tongue filled her.

Her mouth was open and a swollen tongue filled it to over-flowing.

His tongue filled her, thick and choking.

My tongue swelled and filled my mouth, then cracked and bled like the lips.

His tongue filled her mouth, taking and giving her pleasure until she melted against him.

Kadem's swollen tongue filled his mouth, so his reply was slurred and barely intelligible.

His tongue filled her mouth, warming her with a heat that rivaled the desert sun's.