Why would a cat shake its head?
Something could be tickling it's ear? Lol there can be a lot of reasons.
Could be having ear problems. Itching deep in the ears or an infection. :(
i just looked this up and it could disturb them (like if you blow in their ear it said)
He already heard that joke, and it wasn't funny the first time he heard it.
Ear mites or an infection. Take it to the vet
maybe it feels itchy
To show its disappointment in you.