1. Thriving off of being a "surviver" of some nebulous problem, usually a trumped up issue to justify inappropriate behavior.
2. Thriving off of being a victim.
"Joan has practically taken over group therapy from the therapist. She has organized a charity and three support groups, since she recalled her 'childhood trama'."
"She sure is getting a lot of mileage off it."
"Yeah. She is Surthriving, alright. She did this when she discovered she was 1/32nd Native American and again, when she heard about people using live dogs as shark bait. She is a Surthriver..."