WOW

Stands For
World of Warcraft

Which means
WOW is an online MMORPG that you pay a monthly fee for. Like most RPGs, the main point of the game is to level up and gain items and skills. It has a extremely large userbase, larger than many online games older than it.

Example
George: I was playing WOW last night.

Josh: Cool. I just started playing WOW last week.

Related Acronyms

 * None.