Big furry fuzzy kittens ( or big furry fuzzy kittens with claws) is a phrase said when someone is more then mad. If they say big furry fuzzy kittens with claws, then they are beyond mad and are so upset they have blacked out.
Person 1- telling story or comment making other person mad.
Person 2- you keep it up, I'm going to have Big furry fuzzy kittens with claws.
Person 1- I'm sorry to upset you, then.
Person 2- you keep it up, I'm going to have Big furry fuzzy kittens with claws.
Person 1- I'm sorry to upset you, then.
by Hankscolts January 11, 2013