OA

OverAll. Can be used to describe a measurement; length, width, and height overall.

It measures 7" x 6" x 6 1/2" OA.

by Evilyn January 28, 2006

oa

something you say when you're too lazy to say "Ok".

Brandon: You are a stupid asian.
Ping: oa.

by mtlf October 17, 2019

OAS

abbreviation of Old Ass SHIT! O-ld A-ss S-hit
When someone has a bunch of junk lying around collecting dust and broken they have OAS.

Lyle: Man, The Humperdinks have so much OAS in their house.
Eric: I know, they need a dumpster for all that old ass shit!

by Lo-rettie W September 14, 2009

OAS

Obligatory Adderall Shit. This phenomenon occurs approximately between 30 minutes and 2 hours after the consumption of Adderall. OAS' usually comes out of nowhere and require immediate location of a restroom.

OMG... dude I feel an OAS coming on!

I'm ready for the day now, just had my OAS!

by WHAT.do.YOU.want November 10, 2009

oa

Oa is a dumb ass that has small pp

Oa is PEPEEEEEE

by Melanie Dunn April 03, 2020

The OA

The Original Angel; a worthy friend

Did you see the OA?
She was beautiful

by A plant🌱 October 19, 2020

Oa

Oa, a hot boy who can do anything and get all the girls

That kid over there is an oa

by Purplesloths July 08, 2020