Hillygus Share definition Flag a term used for TIITA (takes it in the ass); a male who is gay and only takes it in the ass but doesn't give it did you hear about kevin? no apparently he is a hillygus really? well I guess that makes sense Hillygus by o0Abram0o February 13, 2010 0 0 Get merch Get the Hillygus mug. Buy Now — $32.95 See more merch