FYA really means For Your Attention, but a co-worker and I couldn't figure out what it meant for like, three hours so we decided to say For Your Ass instead.
In an e-mail:
Erin: For Your Ass (FYA): I'm leaving in like, five seconds.
Mandy: For Your Ass (FYA): I'm so frickin jealous you ho ass.
Offering or devoting one's talent to an unworthy use or cause and obtaining money or something of value by the abuse of one's office or authority.
The head writer for "The Herald Today" displayed such blatant prostitortion by writing feature articles for the mob while taking money under the table.
A combination of "for real" and "seriously" that can be used as an exclamation, a question, an adjective ...
Dude, she was forrealiously pissed off when she missed Grey's Anatomy.