What is Ymd?
1.
1) Your Mother's
"Hey, you know what I saw yesterday?"
"YMD. I know. Shut up about it already."
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1.
An auto-erotic accessory composed of a liver (preferably still warm from the recently-euthanized livestock) affixed (nailed, stapled) to..
1.
an ironic way of saying "that's idiotic".
"Did you hear they're making us wear uniforms to work?"
"..