Saw this video on facebook. Thought I'd share the link here. Our little chis can hold their own against much bigger dogs if they want to.
Tiny Chihuahua Play Fights With a Great Dane
Reminds me of my chi Bruno and boxer Tinkerbell except it's usually Tinkerbell who's the "aggressor" and Bruno the chillax one. Bruno manages to pin Tinkerbell to the ground when he's had enough of her rough play despite her being more than twice his height and about 7x his weight