It's basically the same as "lol" or "lolz", just taken one step further to ensure maximum retartedness. It's rarely ever been used, and I think I might have just invented it...
some guy: I just farted.

You: lolz15
Silent J.によって 2006年11月26日(日)

Words related to lolz15

lmao lol lolz loz15 retarted zomg