It means " Fuck You" when you are dissing someone. Litterally means: "My Dick in you" in Arabic - mainly in Lebanese dialect. The expression however is used between friends and is not necessarily offensive. In addition, the expression is normally used between males and rarely said to females. However, more girls are starting to use this expression in a similar way that man do, just like the expression "Fuck you". However, this is still considered vulgar for a women to use. It is also spelled "Airy fik" or "Airi fik"

A casual invitation / threat used by an individual that is not afraid of fucking someone up.