To tickle someones chin by wiggleing the fingers up and down usually for an extended period of time.
"I went to the family reunion yesterday and my aunt petunia chin fucked me. She needs to stop her chin fucking."
by dylan69 March 08, 2008
The action of having sexual pleasure by inserting your chin in a female's vagina. Pleasure can be measured by facial hair.
Female: Oh Samed! Your penis is not the size I was expecting to see, what will we do now?
Male: Don't worry baby, I'll just chin fuck you.
Male: Don't worry baby, I'll just chin fuck you.
by SerkJerk October 16, 2008
by Smart but dirty minded February 10, 2017