OSI

Office of Special Investigations.
It's a form of federal investigators for the Air Force. The equivalents are CID for the army and NCIS for the Navy.

Osi special agents asked me questions about my commander yesterday.

by Charlyes December 17, 2017

OSI Model

PDNTSPA or The OSI Model.

Physical
Datalink
Network
Transport
Session
Presentation
Application

The 7 Networking Layers.

Pimps Do Need To Slap Prostitutes Around
People Do Need To Slap Pamela Anderson

How to remind this OSI Model? Try to remind some of the following sentences:
Pimps Do Need To Slap Prostitutes Around
People Do Need To Slap Pamela Anderson

Or In Reverse
American Pussy Seems To Need Deeper Penetration
All Porn Seems To Need Double Penetration

by HazeFace October 9, 2018

Osi

A osi is someone who Loves art, is bi, loves frogs and mushrooms, uses phone 24/7 shy yet popular

1: "hey who's that?"
2: "ohh them? They're a osi aren't they amazing?"
O: "umm excuse me can you not talk about me right in front of me? Thanks."

-based off of real experience (´；д；)

by ʟᴇᴍᴏɴᴄʜɪʟᴅ May 23, 2021

New Minnow Microscopic Silicone Volcano Cone E Osis

Pneumonoultramicroscopicsilicovolcanoconiosis except you say each word.

Yo, say that long 45-letter word.
Ok! New Minnow Microscopic Silicone Volcano Cone E Osis

by NoodleNukes January 30, 2025

Osie

Of African origin, one to never back down and never forget , a king.

Hi Osie how are you doing

by John scribble September 4, 2022

me-osis

An "advanced" form of I-itis.

Disgusted adult sitting on a park bench: Look at that spoiled-rotten kid on the playground! He's got the worst case of me-osis that I've ever seen!

by QuacksO August 14, 2018

Osi

Obeast sad idiot

She’s suck a osi

by Karen from mean girls June 12, 2020