To get directly landed on by someone who has just fallen at least 50 feet, resulting in serious injury, pain, loss of friends, or death. Usually done over water, but is currently acceptable in any situation.
Guy 1: He just got Ronned!
Guy 2: I think he's dead.
Guy 1: I got Ronned last weekend.
Guy 2: Are you alright?
Guy 1: Nah, I have broken back and I'm not his friend anymore.