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

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

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

A dumb ass bitch who is so fucking depressed and lonely and is always ok TikTok

I don’t want to go see Osi

by hi_im_deperresed July 12, 2020

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

Osi

Obeast sad idiot

She’s suck a osi

by Karen from mean girls June 12, 2020

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