|1.||I'm 12 and what is this?|
Sometimes used ironically on image boards like 4chan when someone posts off topic or offensive material on a board where such content is inappropriate. This is usually posted in combination with sage to avoid bumping the thread.
anonA: Furry time!!!1 (explicit image of fluffy creatures)
anonB (sage): Please go away.
anonC (sage): I'm 12 and what is this?