Floggerbotton is a proper way of describing a "headbutt". It is also sometimes used as an expression.
Adjective, noun, and verb
"Ouch we just floggerbottoned!
"This is floggerbotton awesome!"
Adjective, noun, and verb
"Ouch we just floggerbottoned!
"This is floggerbotton awesome!"
by -imextremelyawkward July 22, 2014