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

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

Greek for, "Oh my God! Your cheese is on fire!"

Cried out in Greek restaurants every time the saganaki (flaming cheese appetizer) is ignited at someone's table.

The server lit the saganaki and shouted, "Opa!" along with everyone at the table.

by TinLizzy March 29, 2009

Opa

Grandfather

Opa and Oma sent me a check for $5.00 on my birthday.

by Sunflowergrl October 9, 2010

Opa

“Opa” is a Bulgarian word used when you have done something wrong by accident.

Opa! I stepped on someone’s foot.

by Madlen111310 June 26, 2019

Opa

something to say when you see a bellydancer at a restaurant; normally followed by the act of flinging loads of cash at her.

"I love this restaurant honey, it's so romantic...."

"only the best for you on our anniversary, WHOA, OPA OPA OPA!!!!!!!!, sorry honey, I got distracted, where was I?"

by MintyLeila---not an Armenian person, but has Armenian friends-I love glendale! July 15, 2005

Opa

Verb: The act of violently inserting two or more fingers into another persons anus and exclaiming OPA!

Person 1: *Bends over to tie shoelaces*
Person 2: *Identifies an exposed anus and shoves two fingers into Person 1's anus* OPA!

by HolmenOpa April 19, 2015