OSI model 

set of seven layers that define the different stages that data must go through to travel from one device to another over a network

Use the acronym (Please Do Not Throw Sausage Pizza Away) to remember the layers of the model in order (Physical, Data Link, Network, Transport, Session, Presentation, Application)

OSI model by Jon September 26, 2003

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

OSI (Operating System Index) by daygzzz November 4, 2012

OSI model 

The model showing a way a program is sent across a LAN or any type of network

Application
Presentation
Session
Transport
Network
Data Link
Phsycial=Binary Number

OSI model by Noah September 26, 2003

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

OSI Model by HazeFace October 9, 2018

osimosity 

(Noun) The state or condition of being awesome. Defined in a bogus mathematical theorem as:

Quality + Perception
-------------------- = Osimosity
Vulgar popularity

Not to be confused with animosity, or pretentiosity.

1. Lord Ossum of the Ossumites was an Ozymandian well known for his osimosity.

2.
Freddie:
I'm just a poor boy, nobody loves me...

Chorus:
HE'S-JUST-A-POOR-BOY/
NAMED-FREDDIE-MERCURY/
BOW-GASP-AND-QUAIL/
AT-HIS-OSIMOSITY!

osimosity by HMB August 2, 2004

Osiel 

Osiel is a type of boy kid that is kind, funny, loving, caring, understanding, cute, and smart. They are amazingly sweet and romantic towards their significant other. If you are lucky enough to have an osiel for your boyfriend, don't let him go.

Girl 1: what's your boyfriends name?
Girl 2: osiel, he's really sweet :)

Osiel by Gpigss107 May 9, 2017

OSINT 

Open source intelligence: it’s like sigint but for nerds on the Internet who don’t know what SIGINT means. Most OSINT analysts (myself included) live on a diet of pizza and hentai.

OSINT is not doxxing, retard

OSINT by Most credible defender March 12, 2022