look up any word, like b4nny:

1 definition by BrokenDream

 
1.
IDM
most people say intelligent dance music

But now it can also be use in gaming and/or several chat place to replace the words to " I don't mind" or "It doesn't matter"
Whatever the word you see fit is your choice.
Tom: do you want me to help you?

Tim: sure, idm.
by BrokenDream February 28, 2008