Refers to an action preformed by many people involved in automobile accidents, usually a rear end collision. To neck and back one will immediatly claim they are hurt weather they really are or not. They will the sue the other party or insurance company in order to collect compensation for their "injuries"

It is known as "neck & back" due to the fact that these are what most people claim they have hurt as these are the easiest injuries to collect on.
Person: Hey I got in a car accidnet yesterday. Some idiot hit me in the rear going about 5 miles per hour.

Person's Friend: Did you neck and back?

Person: Of course!!
by Ownage November 2, 2007
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Pronounced ‘Neckin em back’. To be seen to drink alcohol, usually in the form of beer, fast and in quick succession. A British, perhaps local to midlands region saying and definitely misconstrued to US population as a sexual inuendo (fellatio).
Wow, she was really necking them back tonight. Good work!
by Wadded January 8, 2019
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A general complaint regarding minor spinal pain.
Elton: *after moving 5 heavy boxes* Oooh, my neck, my back, my sacroiliac!
by Jim Milton July 26, 2019
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When a girl swallows a guys cum.
Tiffany - "I gave Grant a blow job last night".
Liz - "Did you neck back the oyster?"
Tiffany - "You know me Liz!"
by Thespascat April 9, 2016
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Throw That Neck Back Is When A Girl Sucks A Males Penis. Origin: East Warren Detroit, MI.
Markolvy: Man That Girl Got Some DSL's!!!
Freddie Wright: Yea. I Know! And A Nice Rack.
Markolvy: Im Bouta See Of She Throw That Neck Back!
by iAmSuperKid October 31, 2009
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Noun: When a person is so Fat that the back of their neck resembles a pack of Sausages.
Commonly found on fat men who shave their heads.
Damn Sam, You're so Fat that you got some Neck Back Sausage happening back there.

How much for one of those Neck Back Sausages?
by Jockamo Feenahey January 27, 2009
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It's the 2020 version of Check yourself before you reck yourself
"Bro if you don't sit your neck back I will sit it back for you."
by 420momma March 14, 2021
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