M.A./Cat/bat at him
From Create Your Own Story
You swing your hand at him, landing a blow on the end of his snout. It wasn't meant to hurt him, but it still snapped him out of his eagerness. He crawled back and laid on the floor, still in your personal space but no longer trying to climb in more. From here, you...
M.A./Cat/claw at him. Show him his place.
M.A./Cat/try to communicate. You could understand dogs before, maybe you could try again?
M.A./Cat/get out of there. Now that he's calm, it should be easy.