A headband formed by holding a strip of cloth to your forehead and tying it at the back of your head. Popularized by 80's rockers and epitomized by Mike Reno from Loverboy.
Daniel should have known better than to tangle with Johnny on the beach after he saw Johnny's Loverboy headband. From The Adam Carolla Radio Show
the loss of intelligence or capcity for logical thought resulting from prolonged bashing of the head against a headboard during vigorous sexual intercourse; someone's brains have literally been fucked out