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1.
Someone who is sick (a cold, flu, conjunctivits etc.) and goes into their workplace and infect other people, rather then take a day sick off work.

Named after the method used to eradicate a colony of rabbits which was to poison one rabbit with food, let it take the food down into the burrows and let the rest of the colony eat the poison.
Molly is a total Bunny Killer
by sabress83 January 06, 2011