a korean name for a guy. woo will usually be referred to by his white friends as "woohoo" or "wootang" because white people are dumb and racist. Woo usually buys lots of clothes online and has hella swag. woo will listen to hiphop and smoke lots of dank weed but he still gets A+ grades like all asians. Woo looks better with a snapback on. woo is an azn sensazn. kimchi all the way
white friend: "ur name is woo? haha ima call you woohoo."
woo: "i get that from every single white person. u assholes."
white friend 2: "WOOTANG BRUH, you look as ballin' as ur brah kim jeong il"
A nice simple, concise, mild acknowledgment of a positive development. Meant to convey solidarity with another person sharing the development. A stronger form among people who use 'woo' would be to use a modifier like 'Big Woo' to step up the acknowledgement a bit.
Guy1: Hey, I just got a McDonalds Monopoly piece I didn't have before.
Girl1: Woo.
Guy2: I'm not going have to dip into savings this week to make rent.
Girl2: Woo.
Girl3: My boss told me I might be up for a promotion in 3 months.
Guy3: Woo.