Two men a fighting using their heads in the presence of other people.
A male head butts another male on the shoulder then connects with the same male's forehead.
Several young men take part in a party where two of them bang heads.
Two people head butt each other while another man drinks in the background.
A group of men are standing together and two of them are banging their heads together.
Two men headbutt each other while other people look on.
Two men speaking Spanish are involved in a butt heading competition.
One man bends his head down while another butts heads with him.
Two young men headbutting each other in a living room while onlookers laugh at them.
After people cheer two guys headbutt each other several times.