Finn does that, too, but, it's usually after a bath and he's acting a fool...or after a meal that's (sorry to be graphic) a little bloody.... I think Finn does it more to clean himself...it is still cute, though! I'm not sure what it means in dog language if he's not actually doing something with his paws other than being cute! Good question, hopefully someone will answer! Cuz I'm curious, too....