The state at which one is trying to stay awake but failing resulting in the slowly down-turning head and quick rise up when one realizes their falling which occurs over and over resulting in a motion that when sped up resembles the act of head-banging.
Introduced by a popular sports commercial in which the culprit was recorded on their phone falling asleep and then the video was sped up and put to slayer sounding music.

Whispers "Hey look at him"

"Haha, yeah, he's head-banging hardcore"
by Herolvl1 October 8, 2013
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The rock 'n roll head banging motion made by a baby/small child while trying to fall asleep in a seated position. The baby/small child's head slowly nods down only to be jerked back up from the uncomfortable position, creating the head banging motion.
Jill your baby looks so cute trying to fall to sleep.
His baby head bang doesn't look that comfortable.
by TommyBoy7 August 10, 2010
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Expressing a feeling of being ecstatic. When your neck is cutting itself off ,your ears and burning and shredding themselves inside your temple for love of a skull, your eyes are getting eaten from the inside out, your eyelids are involuntarily fluttering, your hands are shaking, your legs are broken, you have no toe nails, your love of the world at that exact moment. Please never stop. Please.
The kid is a like a HEAD BANGED JOY.
by CRUCIFIED FABRICATION October 5, 2003
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A board that you show a person, and they magically run the fuck into it, causing severe head trauma.
"Tony pissed me off, so i showed him my fucking head bang board."
by krookedcrow July 17, 2006
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When someone tries to "Head Bang" to a song but do it in such an off beat or weird manner that it's just sad.
Guy 1: "Dude, check out this new song I found."
Guy 2: "Oh wow, it's cool. *wtf? I don't even know*"
Guy 1: "Alright, cut out the Bang Heading, you're embarrissing me. . ."
by Tortuga Dorian November 23, 2010
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It’s like a crackhead but instead of being under the influence of crack they are under the influence of bang energy drinks
I aspire to be a bang head whenever I hangout with my homies.
by Meduhwhoelsewoulditbe October 30, 2019
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When two or more men bump the heads of their penis together.
1. Omg! Last night me and my buddy saw this super hot girl... we made a bet to see if either of us could take her home. She caught on to us and said that Individualy we are not man enough for her.... but she had always wanted to have a MMF threesome! We got a hotel room and before you know it we were banging heads inside her!

2. Last weekend a group of us got drunk and started skinny dipping in apartment pools. At one pool the apartment manager took all the males clothes and locked herself into the rental office because she thought it would be funny to see us try and get away naked. To make matters worse John was too drunk to walk straight so my and my buddy put his arms over our shoulder a walked home banging heads along the way. The girls couldent stop laughing...
by Romandell October 31, 2017
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