Undertale jokes

"How would you describe a really bad skeleton?"

"Bad to the bone!" (Or "Rotten to the bone" if you want.)

Why couldn't the annoying dog get on Papyrus's nerves?

HE'S A SKELETON. HE DOESN'T HAVE ANY.

I want a series too, that will be SANS-tastic!

Hey paps, BONE-appetit!

(Just eat your spaguetti.)

I see you guys have SANS-ational jokes!