thardic Share definition Flag The word thardic is derived from the word "thard" which means to look like, or act like Harry Potter. The word thardis itself means to be a Harry Potter follower. Man! what a thardic bastard. thardic by Amrith October 14, 2004 0 0 Get merch Get the thardic mug. Buy Now — $32.95 See more merch