Obease.
When your neck is so big it looks like a fried chicken wing fell on your head. It happens when you eat too many burgers from the kid named Hailey. To get rid of that neck flap, you have to lie in the sun for 12 hours, and even then, it might not help.
My uncle has a flap of fat around his neck. It looks like he swallowed a whole pizza.
My teacher’s neck flap is so big, it could be a hat.
I saw a guy with a neck flap so big, he had to wear a scarf to hide it.