Something that sparks a reaction from kids that makes them go "Ohhhhhhhh" caused by physical harm, something that hurts someone with ridiculous overkill.
Seal team six bursted into a pub through a window and on the way in someone gets booted in the face, the victim would be "merked"
1. Owned, lit up, pwned, etc.
2. A state of first being stabbed in the chest, followed by being anal raped.
3. Showing a sense of ownership over an item, followed by dissing it.
1.
Person A: Dude! Headshot!
Person B: Merked!
2.
Person A: Dude, I just got merked!
Person B: Damn, that sucks.