Someone who can eat large amounts of something in an impressive manner. Usually used in a positive context.
Person 1: So what's one interesting fact about yourself?
Person 2: I can eat 15 packs of goldfish in one sitting, is that interesting enough?
Person 1: ...My dude, you're a Golden Kirby. What a legend.
Someone who's a backstabbing, lying, manipulative fool, most likely always on the internet.
Person 1: Did you hear that Jason flipped everything around on Christine and blamed her for all his problems?
Person 2: What? No I didn't. Is it true?
Person 1: There's evidence backing it and everything, PLUS I was there when he bitched out the people who used to be his friends just because they were trying to figure out a way to call him on his bullshit. He basically incited a riot, got guilt trippy and everything.
Person 2: God, he's such a Parad0x. I can't believe him.