Chimney is the thingy on top of your house where toxic gas get´s out because confroting the gas in nice oxygen filled enviroment could cause some minor problems for humans, like death. Man is short of human, and in this scenario is the guy that cleans thingies on your/our roof.
I told you already, noone is laughing at your clan, just having some fun (btw. OTB speed server probably isn´t the best place to recruit players, but do as you like).