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Abbreviation for "Doesn't Matter Don't Care" which is a quick way to dismiss idiots over social media.
For instance:

"Check out this picture of my parents dog?"
"dmdc"
by A Mistake January 15, 2011
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Oct 3 Word of the Day
I couldn’t care less (but one must keep up appearances, right?)
Frenemy has a family tragedy. "Thoughts and prayers."
by November 05, 2018
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