Papyrus: HUMAN, WHY ARE YOU SAD?
Me: I'm just BONELY.
Sans: Good one kiddo.
Papyrus: HUMAN, WHY ARE YOU SAD?
Me: I'm just BONELY.
Sans: Good one kiddo.
Listen up, buttercup. The joke is that the person is feeling "bonely," which sounds like "lonely." It's funny because skeletons have bones, and Sans is a skeleton, get it? He is proud of his pupil.
Anonymous
Is this from BONE?