Tony Woodlief might be taking this a little hard, but I thought it was funny. Not because it was so clever, but because it reminded me of some goofy things.
An older relative always used to have a bottle of eye drops handy. She always bought "Murine", which came in a little yellow bottle. Then one day I realized the label was painted on, and I could scratch out the "M". She finally switched brands.
It's not limited to adolescents. On construction sites it's common to string tape that says "Men Working Overhead" in appropriate areas so passersby will be aware. But much of the time I saw pieces of it modified to say "Men Overworking".