Sans: Pap, your spaghetti is bonearific.
PaprUs: Sans, no. Aw, your funny bone is not working; come on, that one was a rib tickler.
Why does Sans like puns so much? Probably because he finds them humorous.
I don't like these Undertale jokes. They just don't make any sense.
Sans: “pokes brother with ruler”
Papyrus: Sans, what are you doing?
Sans: Measuring your patience.
Papyrus: Grunts
Sans: I like eating ketchup, don't believe me? It's ASRIEL as it gets!
UT Sans to UT pap: You FORGHETTIE the spaghetti!!!
Ink sans: umm lust? That's INKAPPROPRIATE!
Fell sans: I hate these double standards...if you burn a body at a crematorium you're doing "a good job," do it at home and your "destroying evidence."
Error sans: Every time you make a typo, the errorists win.