<p><strong>noun</strong></p><ul><li>A brother.</li><li>A guy or fellow: used as a term of address.</li><li>A male friend or buddy.</li><li>A fellow Black male; soul brother.</li><li>A young, usually white male variously and often negatively characterized as being preppy, party-loving, egotistical, sexist, etc.</li></ul><p><strong>adjective</strong></p><ul><li>Of or relating to bros: the bro culture of college athletics.</li></ul>