That kid would get FUCKED up after I had that scissor removed.
On the other hand, I'd probably react the same way as the kid with a scissor stuck in his arm did. It would take a minute for me to realize it was embedded in my arm. I'd poke it to make sure I wasn't imagining things. Following that, I'd probably sit down and smoke a nice fat blunt before making the journey to the hospital.
After it was removed, I'd act like it was nothing and still associate with the kid until my arm healed, as soon as the bandages were removed and I had strength in that arm again, that little bitch who threw it would get the beating of his lifetime, literally, that kid would have welts the size of lemons scouring his body. He'd be lucky if I didn't bring him to PA after his beating and tie him to the roof of the Audi with phone cord and do a 130 - 0 mph brake check