A true bro's way of saying "See ya later" usually online in annoying games like world of warcraft. It can also be defined as a word that only exists in LOLINTERNETS.
"This raid sucked, peacekies :D!" "You need gold for your epic mount ? HAHA PEACEKIES!" "Your mom and dad told you to get off the computer and do Homework? You're 13? Dude, peacekies."
by Kiradore April 01, 2010