A large, bulbous protrusion of fat & flesh which extends from directly under the chin to just above the chest. Giving one an appearance similar to that of a bullfrog and/or George Lucas.
Neither Garry's turtleneck sweater nor his neckbeard could hide his big fat neck-gut
by Doo Dah November 20, 2013
1 more definition
A gut-like protrusion of fat located somewhere between the chin and clavicle that gives one's head the appearance of having a belly. Also known as a double chin or head gut.
Because of his massive neck gut, Gary had trouble getting his head through the neck of his new t-shirt.
by tomfoolery666 November 20, 2013