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Common Intermediate Language (formerly known as MSIL, or Microsoft Intermediate Language) is a low-level assembly-type programming language using the .NET-platform. It is the language into which high-level .NET-languages such as C#, Visual Basic.NET, J# and F# are compiled. CIL is then made into an executable (.exe) which can then be run.

CIL is very complex compared to, say, C#, and a single instruction in C#, like:

System.Console.WriteLine("Hello, World!");

... could be written in CIL as:

ldstr "Hello, World!"
call void mscorlibSystem.Console::WriteLine(string)

People writing their applications in CIL directly will usually get the benefits of more powerful (speedier) applications that take up less hard disk space. However, if time is of the essence, one should consider using another .NET-language, such as C#.
Programmer A: What is that gibberish in your IDE?
Programmer B: It is the CIL behind my application.
Programmer A: How did you obtain that?
Programmer B: I used ILDASM.EXE.
by deXoFan1234 March 04, 2011
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What you text to someone when the thought of him/her gives you butterflies in the pit of your stomach and goosebumps on your arms, and their response makes you feel even more tingly.

When ur around that special someone, who takes your breathe away and makes you feel giddy and silly.

Especially felt when a love is new and fresh. Can also refer to the emotional roller coaster of a new relationship.

Might be a spouse, might be a lover, someone you are "crazy in love" with.

CIL can also stand for "crazy in lust" - sometimes there is a fine line... and sometimes it's really confusing.
Matt was so CIL with Erica in the movie 40 Days and 40 Nights.

guy 1: You were All over the cute Melody at the party last night, did you hook up?
guy 2: Nuh uh, I'm pretty CIL with her, I didn't want to scare her off. I asked her out on a Real date tomorrow night, to see some sappy chick flick.
guy 1: Sounds like Love? Or maybe just Lust - Ha! Well, I don't mind sleeping with a new girl every night, Booya!
by lilmissmuffit September 21, 2011
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