Osa

Alpha male.
Confident, Attractive, and a great sense of humor

Girl A: Did you see that cute guy?
Girl B: Yeah, he’s such an Osa!

by Dabasauraus March 6, 2020

OSAS!

A Nigerian nickname, short for Osasere

Hi my name is Osasere.

You can call me OSAS! for short

by rodneythesauceman July 30, 2018

Osa

Wad moz w gamed awy

Osa da gamed awy

by Osa1 October 23, 2020

osas

An acronym used among theologians meaning, "Once Saved Always Saved", which refers to Eternal Secuity. That is, you cannot lose your salvation.

Some Christians believe in OSAS, while others do not

by JohnJohn1186 September 30, 2005

osas

a big black man that loves white women

"that osas just stole my woman.
Lets git him Gus."

by chaka jaliwa May 1, 2005

OSA

Church of Scientology's Office of Special Affairs.

May refer to Anonymous gathering information on someone, like possible scientologists, using OSA's own methods.

"Odd username. Can you OSA it?"
-"Yeah, hang on. Ok I got his name, adress, phone number and facebook account."

by Amidoinitrite March 4, 2010

OSA

Overwhelming Sense of Apathy

Medically unrecognised addition to the collection of overused psychological acronysms applied to normal teenage behaviour.

"I could have done something about it, but my OSA was acting up."

by skate_08 October 10, 2008