The origin of this “holiday” is unknown. We suspect it was created by the manufacturer of a wonderful cat hair removal implement ... (hint: FURminator - we'd love a free sample to review.)
National Hairball Awareness Day is getting some coverage on the interwebs - the best being ModernCat's collaboration with jewelry designer Heidi Abrahamson to create an exclusive line of fine jewelry for men featuring cat hairballs.
These cufflinks and tie tack are the perfect accessories for men who feel that the cat hair which normally accumulates on their clothing is not sufficient:
I wish the hairballs produced by my three cats were this attractive. Generally, ours are longer, grayer, and coated with slime. Not jewelry material at all.