The phrase usually shows arrogance or a patronizing attitude rather than confidence.

Arrogance Displayed

Some cultures may view this phrase as highly offensive or disrespectful.

Cultural Perception

This idiom is mostly used in informal situations and may not be appropriate in formal contexts.

The phrase can indicate someone's quickness to anger when their views are challenged.

Using this idiom can suggest a defensive stance rather than open-mindedness.

Sometimes it expresses a firm stand on principles, not just rudeness or arrogance.