1. Abbreviation for freak without warning, from the 2 Live Crew song, "Me So Horny". 2. An individual who seems normal and then shortly after getting to know him/her, he/she busts out as a total weirdo. 3. A freakshow.
She seemed ok when we met at Speed-dating last week, but then when we out to dinner she was a total FWOW.
by Emily October 22, 2003