To be a 'Bonny' is to be a sexual deviant. This usually consists of aggressive behaviour, angry looks, destroying of certain bodily parts such as the back or arms.
Sometimes a Bonny can get especially violent and cause pain/injury to other bodily parts of more importance.
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