So, Beiber got caught smoking a joint by the paparazzi, and in a mock protest to get him to "quit drugs," 4chan started the #cutforbeiber campaign on Twitter to impersonate enraged Beiber fans (here are some examples) who are slicing themselves up until he puts down the pot.

Here is an article about it.

Oh 4chan...but even more fun, here are a bunch of people on Twitter outraged about 4chan's faux outrage!