Orginated from Jamaica meaning gay. Batty is the word for bottom, so battyman is protraying a man who loves bottom. It is also use as an insult in the same way as 'faggot'.
look how he walks, I tink him is a battyman
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