Fear of "I told you so". A derivative of FOMO (fear of missing out), FOITYS afflicts people who want to try something unconventional but are afraid if they are proven wrong people will say "I told you so."
Person A: I am considering moving to the East side.
Person B: But that is so GU!!
Person A: Great, now I have FOITYS
Person B: But that is so GU!!
Person A: Great, now I have FOITYS
by zakshrmn April 01, 2009