What does gall mean

bold or impudent behavior

Explanation:

In other words, "I can't believe she has the gall to where white to a wedding when she knows that bride is the only one who should be wearing white." It means "what nerve". Bold or impudent behavior is straightforward and really out there. People who witness it often think the person is crazy or abrupt.

bold and impudent behavior.

Explanation:

I don't know which gall your talking about but i have a definition : 3