WTFDYC Share definition Flag Term used meaning "why the fuck do you care?" James-"Dude, why were you at the movies last night with your mom?"David-"ummm... WTFDYC!?!?!" WTFDYC by Hannahbiz1115 May 2, 2011 0 0 Get merch Get the WTFDYC mug. Buy Now — $32.95 See more merch