or a birth defect or injury.
I know dippers and was one briefly in high school. That is something else.
My son dipped 3 cans a day.
Ugly.
Cliven Bundy's son Ryan tells how car ran over his head when he was seven and left him with severe nerve damage and face paralysis
http://www.dailymail.co.uk/news/article-3390565/Cliven-Bundy-s-son-Ryan-recounts-moment-car-ran-head-seven-left-severe-nerve-damage-face-paralysis.html