2. An explanation offered when one's phone autocorrects inappropriately. Rarely used except between those who know of the site.
2. "Sorry, that was supposed to say LMAO, not LMAOPromotionalKittenBasket! DYAC!"
DYAC is a stupid acronym popularised by the unfunny fail site damnyouautocorrect.com which consists of screenshots of iPhone text messages where the Autocorrect feature has made an otherwise unfunny sentence funny. Nobody actually uses this acronym, and the only time you will see it is on the clearly faked images posted on the website.
● aaaagh, i meant ducks! DYAC!
◆ ok sure, whatever