OPA

Outer Planets Alliance. Loose coalition of citizens of the asteroid belt, and outer planetary moons ("belters") from the books and TV series of The Expanse. They tow the line between fledgling government and terrorist organization.

There's OPA and then there's OPA.

by Shaytan January 1, 2017

opa

Opa is a word used by people from the Balkan countries (Greece, Bosnia-Herzegovina, Serbia, Crotia etc.) to express great joy over something.

"- This party kicks ass

- It sure does! C'mon now, opa!!!"

by Jugoslav September 11, 2011

OPAS

A song that had the potential to be really good but is an over played ass song (OPAS) so people only like it for a week

Person 1:Yo you heard that song that goes lemme seeya wop wop wop

Person 2:Man thats such an OPAS

by Junkee September 14, 2013

opa

Quechua word for dumb. Is use very often by spanish speakers in Peru.

Usted es un opa.
you are a dumbass

by spidermannnnnnn November 22, 2010

opa

used as a slang term for a retard

stop being such an opa hannah.

by filmer101 May 25, 2011

OPAS

Old
People
Assassination
Squad

#1: OMG ugh my grandma is so annoying

#2:dude call the OPAS

#1:the what?

#2:old people assassination squad

#1:O.O

by Me. . . . May 16, 2010

opa

holla

yo those sneakers is hot. OPA!

by amanda August 17, 2003