Laddish Behaviour
When a group of lads decide to be the most obnoxious they can be. It usually involves loud music, even louder laughter, and treating women like they're the enemy.
"I'm going to beat you up," he said, then got distracted by a pigeon.
"I'm not scared of you," she said, then got scared of him.
"I'm the best," he said, then fell off a chair.