Laddish
Something so stupid and ridiculous that it makes your brain shut down. Like when your mate decides to eat a whole pizza in one go and then tries to dance on a table.
He decided to throw a shoe at a traffic light just because it was red. It didn’t work, but he was still proud.
She tried to explain her math homework by shouting at the teacher. It was a disaster.
He bet his phone that he could drink a whole bottle of lager in 30 seconds. He didn’t. He passed out.