What Is the Funniest Alteration You’ve Seen That Someone Has Made to a Sign?

Question by Dr. House f@rted.: What is the funniest alteration you’ve seen that someone has made to a sign?
I’ll start.
The other day i was at a public urinal and there was a sign that said “Please flush after use”
Someone had changed it to “Please blush after self abuse”

Best answer:

Answer by matt kaye
Not really an alteration but freakin funny 😀

http://hoaxblog.s3.amazonaws.com/birthplace.jpg

Answer by Hey Arnold!
lol, I saw this one in California, I think: http://www.maniacworld.com/No-Unibrows.jpg

What do you think? Answer below!