I know plenty of raunchy jokes, but was asked this recently and came up blank
You know they are going to keep coming back, and despite the fact they are weaker each time, you still don't look forward to them.
Because they know how to shut the House down.
They are preparing for whats coming afterwards
Do their parents know they are outside, interacting, and getting exercise
When you ask them "Are you a vegan?" and they say "Yes".
Alpaca lunch!
Three. One to post it, the second to post a better punchline in the comments, and the third to complain that it's a repost.
People laughed, because it was a good joke.
Because Papyrus drinks plenty of milk.
Many hands make light work.