The act of someone rocking their head up, down and all around in a bobbling motion while thizzing mad balls.
"Jesus dude, Tha Producer is bobble heading so hard he looks like he has tourettes."

"Wow that kid is straight bobble heading his brains out, tight."
by HU Soldier October 29, 2007
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A bobble back in definition is when a human being has such a fat arse that it bobbles like a bobble head
Hey Alison that is some big ole bobble back you’ve got yourself there lass!
by ??????????????????????????oooo September 27, 2022
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a gurl who sux dick aka a bust down she gives head man dats wat she do
that gurl is a strait up bobble head.
by keafette AKA keke October 2, 2006
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a girl whose head is far to large for her body due to extreme anorexic behavior. Often makes her look like a Bratz doll.
"Damn did you see that bobble-head, I'd like to buy her a Big Mac!"
by Kimberly & Amelia April 26, 2007
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also refered to as "chicken head", one that is very fluid with the neck, bobble action used when either showing emotion to coincide with verbal assault or oral pleasure, visually identical to a "bobble head" doll
My girlfriends are bunch of bobble-necks....all they do is talk shit about men all day.

or

I hooked up with this bobble neck last night...the way she moved her head....she really knew how to duck sick.
by Bruce Da Truth August 8, 2006
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When an individual receives madd brains from an out of control epileptic girl.
Upon seeing Ross' massive girth, young Jody was startled which induced a fit of epilepsy. After noticing she was in an epileptic state, Ross took advantage of the situation and inserted his mammoth cock into her mouth as she proceeded to unconciously give him the most outrageous bobble head dome that he had ever recieved.
by Ross Cherry October 18, 2004
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To get some cock without any interest in the 'hammer' but just the 'nail'
I'm off out to the Bigg Market in Newcastle tonight to 'Copa bobble'
by Billy Smarts Circus January 8, 2009
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