1. the quality or behavior characteristic of a lad; youthful, boisterous, or rowdy conduct, especially among young men
Usage: informal; chiefly British
2. behavior marked by crude humor, excessive drinking, or disrespect toward women, often associated with a particular subculture of young men
Usage: informal; chiefly British; often pejorative

Examples

• His laddishness was evident in the way he and his friends roughhoused at the pub.
• The team's laddishness got them into trouble with the coach.
• She found his laddishness immature and off-putting.
• The film satirizes the laddishness of 1990s British youth culture.
• Despite his laddishness, he was surprisingly thoughtful when it came to his family.
• The group's laddishness included pranks and loud behavior at the football match.