If You Ain't Ordinance You Ain't Sh**
An expression used in online chat, e-mail, or newsgroup postings. Like MIA, SNAFU, DIRFT and many others, it is actually an old military acronym. To be more specific, IYAOYAS was a favorite among Aviation Ordinancemen in the Navy.For the largest list of Internet acronyms and text message jargon, click on "more info" below!
See also : FUBAR
NetLingo Classification: Acronyms and Text Message