What is what does it mean when a motorcyclist taps his head?

A motorcyclist tapping their head, usually with an open palm facing forward, is a universally recognized signal meaning "Police Ahead" or "Speed Trap Ahead".

• It's a warning to other riders to be cautious and aware of potential law enforcement presence, possibly enforcing speed limits.

• The gesture is quick and easy to perform while riding, minimizing distraction.

• The specific location of the police may be implied by the direction the tapping motorcyclist is travelling.

• It falls under a broader category of <a href="https://www.wikiwhat.page/kavramlar/Motorcycle%20Hand%20Signals">Motorcycle Hand Signals</a> which are used for communication on the road.