To hold someone up with a pistol or knife, after demanding they raise, or, "up" they hands. Can end in murder, robbery, extortion or hug. No in-between.
Inside joke in the hcr, punk and, through some sort of internet voodoo magic, snickering indiekid communities. A way of pointing out that something or someone is flying the punk flag a bit too high.
Can also be used to point out that a punk has gotten old and gone corporate.
Punx: "Did you see American Hardcore yet?"
Hcr: "Yeah, Keith Morris sure was upping the punx with those dreads"
Snickering indiekid: "Heh." *blogs it*
When one person talks about their accomplishment, another person in their discussion chimes in about how they have either already done that or how they have done something else. Common among friend groups, and acquaintances.
"John needs to stop fucking one upping everyone!"
"Stop one upping and let me tell my story."