A few years ago, I was getting a lot of mis-delivered mail meant for a local judge, so when I had accumulated a big batch, I decided to swing by her house and drop off her mail. I was immediately won over by the judge's door mat, which simply said "Come Back With a Warrant."
You can buy the High Cotton doormat for $15.99, and that's not the only (un)welcome mat I've stumbled upon lately. Here are two more funny ways for guests to wipe their feet.
The ingenious Come In/Go Away Doormat (about $30) projects a different message depending on which way you turn it.
One more, so read more
I love the color palette on this playful Chiasso Private Doormat ($28), which should make guests smile even as you're shooing them away.