Just some maritime flag signals, to show that not all flags are annoying.
This spells "beer":
It can also mean: "I carry dangerous goods and I am altering my course to starboard twice".
This spells "whale":
It can also mean: "I require medical assistance. I have a pilot on board and a diver down, and you should stop your vessel instantly, as I am altering my course to starboard".
This spells "sex":
It can also mean: "I am applying reverse thrust and moving to the right. Stop carrying out your intentions and watch for my signals".
This spells "cut":
It can also mean: "Yes, you are running into danger. Keep clear of me".