furball in English dictionary furball Meanings and definitions of "furball" A ball of fur, especially one coughed up by a cat. (informal) A particularly furry person or animal. (military, slang) A large aerial battle consisting of many fighter aircraft. noun A ball of fur, especially one coughed up by a cat. noun (informal) A particularly furry person or animal. noun (military, slang) A large aerial battle consisting of many fighter aircraft. A ball of fur, particularly one coughed up by a cat. more Grammar and declension of furball furball ( plural furballs) furball (plural furballs) more Sample sentences with "furball" Declension Stem Try again Available translations Cornish Dutch Finnish French German Hungarian Japanese Polish Portuguese Spanish Authors