Facebanging
Putting your face where it doesn't belong and licking her snatch. It's like fingerbanging, but you're using your whole face. If it's girl on girl, it's extra juicy.
She facebanged her best friend in the bathroom. They both got in trouble.
He facebanged his little sister. She called him a loser.
At the concert, she facebanged her crush. He was speechless.