LMAO (LMAO Makes Acronym - OMG!) is an interpreter for LOLCODE written in Ruby. It is currently up to the 1.0 specification, and runs it any platform with ruby installed.

Code can be downloaded here: http://newsish.net/lolcode/lmao-0.95.zip

Usage: lmao.rb <filename>

If LMAO is run without a filename, it enters interactive mode, which is currently VERY EXPERIMENTAL.

Update 2007-06-15: LMAO officially runs Arachnid's brainfuck interpreter, proving that both LMAO and the BF interpreter are turing complete!