If you clicked on this page, you probably either saw the link in my signature, or on the RC.
If you are wondering what this is about, read on to find out.
DAPITAU simply stands for Don't Ask People If They Are Underage. Yes, people may be underage, but it is not permitted to ask them that.
Asking is in fact against the Wikia ToU - Ajr, from a Wikia Staff Member.