lick one's finger

A lot of people lick their fingers before they turn a page.

Remember - do not lick your fingers while you are making this.

Therefore he that cannot lick his fingers goes not with me.

She licked her fingers slowly and looked at him with wide eyes.

I found myself licking my fingers for at least an hour after lunch.

He licked his fingers where the juice had run over them.

"Then you'd try not to lick your fingers but you would."

Hey, look, if you lick your finger it goes right through!

She licked her finger and made a mark, a score, in front of his face.

He licked his finger, turned the pages for a moment.