Adjective. Used to describe one who is above the status of "gem". Beyond greatness, real rowdy, a true demonstration of a beauuty. A hybrid of the word "gem" and "popsicle", which makes it 10x more cool (pun intended).
Nick: "Hey! Cam is roundhouse kicking watermelons!"
Cam: "Awww yeahhh.."
Nick: "You're such a gemsicle!!"