An instance involving any game with a health bar, in which your foe beats the shit out of you and wins, with their own health bar displaying what appears to be zero health. Derived from the Mecha-Ridley fight from Metroid Prime, where Ridley would womp on your ass all day, with zero health.
See: "pwned"
"I just beat the fuck out of Ryu, then that dick beat me with Ridley Health by spamming his gay ass shoryuken."