A lip neck is when someones lip and neck look connected. There is so much excess fat between someones chest and chin that it gives the apperance of no neck.
http://www.youtube.com/watch?v=hvjqiJQXR30
John: Wow, i ate 72 boxes of christmas tree debie snack cakes!
Homer: I can tell, you have a lip Neck now.
John: Wow, i ate 72 boxes of christmas tree debie snack cakes!
Homer: I can tell, you have a lip Neck now.
by Crystal423 February 10, 2009
Where by the lack of one’s chin forms the distinct feature of the chest meeting their bottom lip in a smooth, curve-less manner. Also known as a “chinneck” it presents toad like characteristics to their appearance.
by Lip-neck May 29, 2020