A person who fakes being sick to get out of work. Also, one who knows there is a large work project going on and decides to act sick to leave the burden with everyone else.
"We just got this huge contract, and Alan is out sick again being the Ebola Monkey.
A slacker on drugs.
Fred did not show up to work because he partied all last night. Now we have to take on that slackers work load. What an Ebola Monkey.