Humorous male and female toilet signs

Quick answer：

Humorous male and female toilet signs are decorative signs placed in public restrooms that feature comical or funny images or messages to lighten the atmosphere. These signs often come in various styles, from simple puns to elaborate cartoons, and are designed to bring a smile to the faces of those using the facilities. They are popular in many countries as a way to add a touch of humor to otherwise mundane bathroom experiences.