Can be used when referring to having a beer.
Also may be in reference to smoking weed.
Also less urbanly used in England to describe having a cup of tea.

One of the thousands of UK terms for tea.

The term "brew" can refer to a friend, much like brother, Man, dude and homie. This is not commonly used when referring to a person outside of their immediate presence, only when you are having a direct conversation with the person.

a beer.

(Northern Irish slang)
the dole
the DHSS

another way to say bro

The FOB way to say BRO .. (sydney, australia)