noun. One who rides a bicycle or a motorbike.

noun. A motorcyclist, especially a member of a motorcycle gang.

noun. A person who rides a bicycle.

noun. A person whose lifestyle is centered on motorcycles, sometimes a member of an outlaw motorcycle club.

"When you hear the term biker babes, the images that fill your mind may include bleach blond hair and the scant use of finely crafted leather bikinis."

byker  hiker  piker  spiker  striker  

bikers  busty  cyclist  day-old  fleece-lined  

bikie