Die In A Fire
There are other similar variations such as DIACF (Die In A Car Fire) or more obscure variations like DIACFWLS (Die In A Car Fire With Leather Seats). DIAF is used mostly as a form of friendly jest such as "I hate you!" (Go DIAF) or in the sense of shock or disbelief at news or information, or as general disdain towards it, such as "OMG DIACF PLZ, K? THX".
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NetLingo Classification: Acronyms and Text Message