The grease on your neckbone.
Deshauwn: "Yo, you see that one chick in front of us."
Phil: "Yeah dawg, she got hella neckbone grease."
Phil: "Yeah dawg, she got hella neckbone grease."
by Krackeno July 9, 2018
Get the Neckbone Greasemug. Get the Neckbone Greasemug.