The Power of the Inside Joke

It's only happened once or twice, but occasionally I find myself surfing in class. And today, I saw this.
And I started giggling. Out loud. In class.
Not everybody gets Penny Arcade. It helps if you're a gamer, and it helps if you read all of them. From the beginning. Funny, funny, funny stuff. New comics every Mon, Wed, Fri.
These are the guys who put together a charity drive for a children's hospital in Seattle, thinking they'd get a couple of consoles and some games for kids who were stuck in the hospital. I don't know how much they were expecting to get, but I'm sure it was a lot lower than the well-over-$25,000-in-Paypal-donations they got, not to mention pallet after pallet after pallet of stuff from their Amazon wish list.
And sometimes, something they write just gets me giggling.