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1.
To Haichen is to be extremely effective at doing something. This ranges from picking up all manners of coolness, to being an absolute monstrous beast at Counter Strike.
Oh man, that guy is haichening the weights. Is he benching a guy who is benching a guy that is benching his max? Crazy!
by Pseudonym the IIIrd April 05, 2009
 
2.
a person that looks all dirty and sandy like a slave that was in the desert
dam dog you all dirty lookin like a haichen
by ridin dirty September 02, 2006