It seems a combination of gañote with gollete, more than safe to name the neck, the cogote.
It is a term used in the Eastern Plains of Colombia and in Venezuela. It means throat, neck. Guargüero . neck. It can refer to a person's neck, an animal to that of an elongated container such as a bottle or vase.
GOÑETE See GOLLETE, neck, in particular of a bottle, chicken or person.