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.
Ronned, as in "getting Ronned" is the act of being dealt a heavy dose of truth and common sense.
Ron Paul: Deficits mean future tax increases, pure and simple. Deficit spending should be viewed as a tax on future generations, and politicians who create deficits should be exposed as tax hikers.
Politician: Damn! We just got Ronned!