How to use "tongue" in a sentence

He explored her body slowly, deliberately, first with his eyes, then with his loving hands, then with his lips and tongue.

In a day or two, someone would find him out there, his face blue-green-gray, his tongue dark and lolling, his eyes bulging in their sockets as he stared through the windshield as if on a drive to Hell

He stayed there, tongue kissing the floor tiles.

I tried to look at my tongue

He listened to my heart and looked at my tongue