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Original Equipment Manufacturer.

OEM software is what you get "bundled in" free when you buy a computer. It might include Windows, some complete older programs, "taster" versions of new programs, etc.

OEM stuff is unsupported and comes without manuals or any kind of help. It's a free gift, take it or leave it.

Buying second-hand OEM software can get you a real bargain, as long as you know enough to get by without the manual or support.
When I bought my new computer, they gave me five OEM programs free.
by Robbie August 26, 2004
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Acronym for Original Equipment Manufacturer

It's just another way of saying "stock." The parts that come standard on anything: Cars, Computers, boats, planes, electric tools, ect. just to name a few.
Just get the OEM brake pads; they may be stock, but they work fine.
by Bobbbaaayyy August 07, 2006
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Stands for "Original Equipment Manufacturer." This refers to a company that produces hardware to be marketed under another company's brand name. You can also use the term as a verb, such as, "That Dell monitor over there is OEM'd by Sony."
For example, if Sony makes a monitor that will marketed by Dell, a "Dell" label will get stuck on the front, but the O.E.M. of the monitor is Sony.

That should impress your friends.
by dat phat September 12, 2006
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Obnoxious Egotistical Motherfucker

Someone who is just the world’s biggest self-serving, attitude-filled pain in the ass.

And it's safe for office environments since only select few will know the true meaning behind your use of it – like FYI.
- What do you think about John?
- He’s an OEM.

That OEM up in Accounting.......

WTF has happened to Bill? Was cool at first, now just another OEM.
by floWwonS October 08, 2009
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