1. a man who explains something to a woman in a condescending way, often assuming she lacks knowledge or understanding
Usage: informal; often used critically or humorously

Examples

• He was a typical mansplainer, explaining basic computer concepts to his female colleague as if she were a beginner.
• She rolled her eyes when the mansplainer interrupted her presentation to clarify what she had already explained.
• The article criticized the tendency of some men to act as mansplainers in professional settings.
• I don't appreciate when someone becomes a mansplainer just because I'm a woman asking a technical question.
• His mansplaining about the rules of soccer annoyed everyone at the game.
• She called him out for mansplaining after he tried to explain her own research to her.