1 definition by James Laserbeem

Top Definition
osu
A Japanese Word meant to show respect. It's used for evens like Karate before the fight.

"OSU" pronounced like "os".
Osu - Let the fight begin
by James Laserbeem August 26, 2005

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×