One of my kitties threw up just a tiny bit of clear liquid the other day -- nothing else in it. He's drinking/eating and eating/pooping. Today I found a clear wet spot on the floor with fur scattered through it, but not in a hairball form. It looks more like it would have someone had cut his (although it may be hers -- they're the same color) fur and it fell to the floor. Is this normal? I'm just used to seeing vomited/regurgitated hair in clumpy hairball form.