Casey: 
Knock knock

Jack: 
Who's there

Casey:
Robin

Jack:
Robin who

Casey:
Robin you now can I get $20?

Jack:
no.

Casey:
YOU FELL FOR THE EASIEST KNOCK KNOCK JOKE SO YOU OWE ME SOMETHING

Jack: 
YOU MADE THE CORNIEST KNOCK KNOCK JOKE SO YOU OWE ME SOMETHING  

Casey:
WHAT I WAS BORED >:V

Jack:
Oh good looks like you'll enjoy finding the door out for making that stupid joke

Casey: 
What? Ya can't handle my puns?

Jack:
oh god...

Casey: 
Fine. Leave me. But I know you'll come back knocking at my door :)

Jack:
CASEY THAT WAS TERRIBLE

SANS joined the chat

Sans:
Really? Cuz I a-DOOR-ed her jokes :)

Jack:
...

JACK has blocked both of you
Way to go pun masters

Sans: 
Boring? Well excuse me for being one-dimensional 

Casey:
AYYYYYYYEEE :D 

Sans:
*clears throat* Sorry, my voice is a bit flat. It's been ages since I've opened up to someone :)

Casey:
YOU ARE MY NEW BEST FRIEND

Author: If ya didn't like it, blame Undertale for making me get into puns. 

But all I know is that my puns are absolutely a-DOOR-able :D