Derogatory term used by bicyclists or a bike shop employee referring to an office worker looking for a single speed bike or someone riding a single speed. This term is used because the rear wheel of a single speed is "bolted on", thus, Bolton. Also in reference to the movie Office Space and the character Michael Bolton. Person looking to buy a lifestyle in addition to a bicycle.
One bike shop employee to another bike shop employee, "Can you go help that Michael Bolton with the Bianchi Pista and ask him if he wants a matching messanger bag?".