Top Definition
A chin that goes directly into someone's neck. No definition of jaw line.
I couldn't tell where his face ended and his shoulders began because he had a a chinneck.
by cindora hplgd September 24, 2005
Where a person is so 'hefty', that their CHIN merges into their Neck! Redefines Double (Triple?) Chins...

(Alternate word: "NECKLESS"; where your chin grows right into your shoulders!)

(Another one: "SHECK" - same meaning - except its SHoulder + nECK: SHECK; get it?)
Yeah, man... I dont know how he even got his shirt buttoned around that Chinneck!
by kizzmo September 09, 2010

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