It has a little black nubbin in it.

The nipple promptly sprang to life, swelling up into a hard little nubbin that pressed against Blade's fingers.

There he was, all two centimeters of him, bright red, of course, with little nubbins of horns and a long spiked tail.

The little green nubbins were their leaves.

If I press this little nubbin on the inner edge of the cover- Look!

Maybe it was that niggling little nubbin of Force potential she thought she might have.

My fingers worked slowly, then quickly, then just lightly squeezed that little nubbin.

He parted them and examined the tiny hole and the little clitoral nubbin at its bottom.

Then she showed me how to rub her body, particularly the lips and the little nubbin.

He rolled the nipple between thumb and finger, urging the little nubbin on to greater lengths.