look up anything, like your first name:
1. Broo
A term that guys use for their very good friends. A mix between brother and boo
"Hey man, whatcha doin" "Oh not much, Broo"
2. Broo
The act of drinking a beer (or brew) while on the toilet, preferably taking a poo. It is a combination of "brew" and "poo".
Person 1: Man, I really need to take a poo right now but it feels like a doozy that might take a while. I don't wanna just leave my beer here and let it get warm...

Person 2: Why dont you just take the beer with you and enjoy yourself a nice Broo, it will make time fly!
3. broo
to set somebody up or to fuck somebody over money
hey don't try to broo me!
homie that punk tried to broo me over 60$
rss and gcal