1 definition by YourWiseAdvice

A blue flag stands for penis loss. A wise geman person ones said that hoisting a purely blue flag, or at least a blue flag without any symbol on it, indicates that the hoisting person has lost his phallus.
Person A: "Look there, captain, those poor men hoist a blue flag"
Person B: " These poor souls...."
by YourWiseAdvice April 17, 2022
Get the blue flag mug.