(Pronounced: 'bike-a-list') - Someone who rides a bicycle for both leisure and commuting purposes but with no understanding of or total disregard for the rules of the road/traffic laws. One who doesn’t use the proper hand signals when turning/slowing/stopping. A person who does not wear a helmet (or wear it properly). A person who chooses to act as a pedestrian when it suits him/her (i.e. riding on sidewalks, pathways, etc.). Someone who was simply given a bike by their parents and taught no rules or considerations.
Opposite of: Cyclist (– Someone who rides a bicycle for both leisure and commuting purposes while observing the rules of the road/traffic laws (very similar to those of motorized vehicles). One who pays close attention to his/her surroundings while riding and is respectful to the balance between vehicular and cyclist traffic. Some one who is fed up with having bikelists give them a bad reputation.)
Tom: "Look at that asshole over there. Riding his bike on that busy sidewalk."