Hobbial Share definition Flag Hobby usually used in the term multi-hobbial person, meaning that said person has a lot of hobbies. "I am a multi-hobbial person because I enjoy singing, and dancing, and shopping, and cross-stitch, and...." Hobbial by Jessica Apes August 2, 2004 0 0 Get merch Get the Hobbial mug. Buy Now — $32.95 See more merch