What does "brush" mean in slang?

In slang, brush has several informal meanings depending on region and community. One common slang meaning, especially in UK and Australian English, is a brush as a confrontation or minor conflict with someone, as in he had a brush with the law, meaning a brief encounter or run-in with police. Another slang meaning is to brush someone off, meaning to dismiss, ignore, or reject someone rudely. In some urban slang, brush can mean to fight or to have a scuffle. In hair and beauty slang, brush can mean to style or to flirt, though less common. In graffiti culture, brush can refer to a paintbrush used for tagging. In British slang, brush is also slang for a woman or girl, though this is dated and can be considered derogatory, as in he is out with his brush. In some contexts, brush means to steal or to take, though this is rare. In sports slang, particularly in baseball, brush back pitch means a pitch thrown close to batter to intimidate. Overall, slang uses of brush often involve ideas of light contact, dismissal, or confrontation, building on literal meanings of brief touch or sweeping away. The most common slang phrases are brush with the law and brush off, meaning dismiss.