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1.
In the LA hardcore scene, stands for Los Angeles Hard Core.
The band Rotting out, LAHC band
by Claudiaaaaa! January 04, 2009
 
2.
Stands for Laughing All Hard Core. Used as an alternative for LOL.
Meagan: What does swoll mean?
Amanda: Idk, look it up on urbandictionary.com.
Meagan: I think it means to get buff..
Amanda: LAHC!!! That is funnnnnny!
by Megg. June 03, 2007