Sir Osis of Liver

A world-renowned and highly-esteemed hepatologist.
I seem to recall during our last session, Sir Osis of Liver,
that you had warned me against the dangers of drinking vodka for breakfast. Do you think we could go over that again?
by whimzzical May 28, 2010
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osie (o see)

Sweet,sensitive,but crazy (loose canon).
She's cool but she's an osie (o see),be careful.
by gx3 January 06, 2009
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OSI (Operating System Index)

OSI (Operating System Index) A method to determine the level of geekiness or nerdom in an individual using the number of operating systems they use.
Larry: Lewis has so many damn computer gadgets.
Bill: I know, right? What's his OSI (Operating System Index) then?
Larry: 6
by daygzzz November 04, 2012
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Cock-c-osis Breath

Having both cockbreath and halitosis breath at the same time, which makes your mouth foul in any way, shape or form.
Janice's breath was so foul after sucking my dick last night and not brushing her teeth for a week, she had a terrible case of cock-c-osis breath.
by moosehead7 July 29, 2006
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Osi

A dumb ass bitch who is so fucking depressed and lonely and is always ok TikTok
by hi_im_deperresed July 12, 2020
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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 09, 2018
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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
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