1 definition by The room mate

Top Definition
When a penis is attached to an automatic milking device used on cows. This may seem like a pleasurable experience, however, it is very painful. Abbreviated as M.D.
Tim Hurley, M.D., has wicked milkdick from when he went to the farm the other day.
by The room mate May 15, 2011

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug