Definitions by Z. E. Sty

Reverse Coke Nail 

When a person has a noticeably shorter fingernail on one or both hands, particularly the pinkie nail, usually from nail-biting.

Jeff: “Did you see the reverse coke nail on that guy?”

Bob: “Yeah, must be a serial nail-biter.”

Reverse Coke Nail by Z. E. Sty July 13, 2021