A large number named c. December 2010. It is used to represent a massive amount, often used in the context of expressing size, quantity, or rate. It is somewhat popular on Facebook among wallposts via the "like" status phenomenon (usually the "like for a rate" status) to express a rather high score to evaluate another with. Occasionally, it is used to express frustration in mathematics problems and used by math students as a solution to an equation when no other methods work because your teacher lied to you about every single one of those other methods.