The short version of "putain" in french. That means like "damn" or "shit" but comes from "pute" that means "bitch". That's very in use in French even if that's informited al and vulgar. Never spoken.
Ptn (putainn), j'ai oublié mon maillot de bain à la maison.
Damn, I've forgot my swimsuit at home.
Post Traumatuc Turtle Disorder. Similar to PTSD, however it is onset by a traumatic viewing involving a turtle. This could include a turtle being crushed by a car, an empty turtle shell, etc.
POST TOURNAMENT OF CHAMPIONS DEPRESSIONS. Term used to describe your series of emotional breakdowns, random shed of tears after the Tournament of Champions in World Scholars Cup.