1) Driving one's penis deep into a mouth.
2)
Kissing so hard and
intensely that it can no longer be called "
kissing" and needs this term to best describe the act. An act which is amazing done, and disgusting to watch.
1) "Her pussy was so dry and covered with weird pussy bumps so I
face fucked her instead. Good thing I'm on
penicillin."
2) "We went to Denny's after the bar and this guy was face fucking his boyfriend in the corner booth. I was so
appalled that instead of rushing to the can to puke I hurled on the two of them."