1. A device for protection from the weather consisting of a collapsible, usually circular canopy mounted on a central rod.
2. A shortened, more hip name for an umbrella
"it's raining in sheets! make sure to grab your brollie!"
Drunk beyond physical limits. Vomshitting is a likely side effect. Stripping in front of a lecturer is also not unknown. Named for the infamous Brolly. Being drunk so frequently, that in times of sobriety people mistake you for being incredibly hungover.
Jake is brollied! Look! He's stripping in front of DrCotton!
Aishah - "Jake you smell more of alcohol than usual. Are you brollied?"