kitty-sit Share definition Flag To mind someone's cat/s while they're away… present tense = kitty-sitting… past tense = cat-sat Thanks for the invitation to join your yacht cruise to the Caribbean, but I promised I'd kitty-sit for my ex. kitty-sit by nom de plumb August 10, 2009 0 0 Get merch Get the kitty-sit mug. Buy Now — $32.95 See more merch