To wave the white flag means to surrender, to give up, to admit defeat. For instance, one who decides to stop pursuing a course of action may be said to wave the white flag, meaning give up. ... The proper use of white flags to mean surrender or a cease-fire has been codified in the Geneva Conventions.

Does waving a white flag mean surrender?

A white flag signifies to all that an approaching negotiator is unarmed, with an intent to surrender or a desire to communicate. Persons carrying or waving a white flag are not to be fired upon, nor are they allowed to open fire. The use of the flag to surrender is included in the Hague Conventions of 1899 and 1907.

Does a white flag mean I give up?

A signal of surrender or defeat; a sign that one going to yield or give up. (From the literal white flag originating in military use, which signaled a protective truce or ceasefire so that negotiations could be arranged.)