When a man runs full-force with an erect penis into their partner's face. This act is highly dangerous and often fatal, as it requires great cunning and penile precision.
Jake: Hey, did you hear what happened to Alex? Tried to give his girlfriend Miranda a Missouri Head Butt last night. Wound up in the hospital. He might not make it.
Bobby: Oh my God! Why didn't he just listen to us and give her a Steaming Hot Pan instead?!
When a girl is going down on you, and she is coming up for air you whip lash her as hard as you can with your "head" on her forehead so that a mushroom tattoo appears.
Girl: "::Slurp slurp, gasp::"
Pendleton: ::thwack::
Girl: "Ow why did you do that!"
Pendleton: "PENDLETON HEAD BUTT BITCH!"
When you are fucking achick in the ass, and right when you are about to cum, you chop off her head, and quickly burn down their house, then ejaculate on the remains.
I scream Colorado head butt seconds prior to going through the motions of an actual head butt but just prior to heads connecting I stop and straight punch to the nuts as their eyes are closed expecting a head butt