What is Cmn?
1.
A short angry Welshman with no hair and a fetish for car door based violence. Is known to to enjoy the company of ruminants.
Normally used when describing somebody who is very short, angry and has a basic grasp of conversational English who is known for enjoying animal pleasures
You're a right CMN you know that. (You're a right angry little sod).
You were behaving like a right CMN last night.
See 
2.
Cry More Noob
usually used on the internet gaming forums, when someone is expressing their feelings or is complaining.
OMG I keep dieing...
CMN
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