Short for "change channel please". It is widely spread in the MMORPG MapleStory
"ccplz" is used when another person enters the same map that one is training in. Because the term is considered to be rude by most of the Maple community, you will usually only find noobs
*ProDude enters xxAzNnArUtOxx's map*
ProDude: Excuse me? You're so lazy to type out a couple words, so I'll be a douchebag and punish you by kill-stealing all of your monsters for the rest of your Maple career!