Its when a guy forces his head face first into a female.
Person One: How was your night last night?
Person Two: Not Bad, got to "Face Clunge" my wife!
Is a word that describes a particularly retarded face: A retarded smile, and the eyes pointing in different directions aswell as a wierd fraze such as...Derpdy
Normal person: "Hey, whats up?"
Connor White: "Derp herpa flerp merp der gerp"
Normal person: "Speak normal you derpy dick"
Connor White: "DERPPPPPPPP"
Normal Person: "Calm down"