Split image: Left, a sign in a wooded area reads, "Melissa There is a curb right here" with an arrow pointing down. Right, a man holds a cardboard sign saying, "It's not self checkout if I need help ...

Two humorous warning signs: one threatens to give unattended children energy drinks and teach them to swear; the other warns an “old lady” not to put dog waste in cans, with a threat written in all ...