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1.
ELM
it's an internet term like rofl. Used as an insult. It stands for:

End
Life
Moron(s)
You suck at sports! ELM ASAP!
by Kran May 04, 2005
 
2.
ELM
A term that is used to describe something that is not functioning.
"The ELM website is crashing today."

OR

"We made our way to the bed but he was ELMing and couldn't get it out."
by ELMhater January 12, 2010