Fair Weather Biker 

A person that has a motorcycle and rides it only when he knows,absolutely,that the weather is going to be perfect.

"Danny won't be riding today because it's too cool and cloudy" " You know he's just a punk ass fair weather biker"

Fair Weather Biker by Mystifye May 17, 2010

lycra-biker 

A bicyclist that is completely clad in spandex.

Dude, the lycra-biker over there looks so weird

lycra-biker by illegal fairtrade May 29, 2009

Instant Biker 

Derogatory term used by old bikers to describe:
1) Riders (mainly Baby Boomers) who have never ridden a motorcycle before
2) Wealthy doctors or lawyers etc..
3) Or have only ridden Japanese motorcycles before
- But now have bought a new Harley and consider themselves to be a "real biker".
This term is also used to describe people who ride "Harley Clones" (japanese motorcycles) like the Yamaha Road Star, Kawasaki Vulcan, Suzuki Intruder or the Honda Valkyrie.

John thinks he's a badass now with that new Softail - he's just an Instant Biker!

Instant Biker by BGS September 1, 2005

Dirty Biker 

A Dirty Bird at Sturgis

I caught COVID from a Dirty Biker this week.

Dirty Biker by COGus August 10, 2020

Lesbian Biker Gang 

An all female group of people who like to hang out and ride their bikes. Often deny they are lesbian, even though it is extremely obvious they are.

Morgan: Want to join our biker gang?
Adam: No, I do not want to join your lesbian biker gang.
Morgan: We're not lesbian!
Cassie: Grr!!! Lesbian attack!

Lesbian Biker Gang by Adam Cecil June 1, 2006

Boris Biker 

A london cyclist on a bike from the new cycle-hire scheme set up by Boris Johnson

I was just driving down Euston Road when I almost hit a Boris Biker

Boris Biker by gab989 September 7, 2010

road biker 

A person with 1% body fat who buys carbon everything for their already carbon roadbike. They are also very annoying to pass on the road because they are mentally unable to use the shoulder

“Yo look it’s a road biker (roadie) passing the MTB trails, I wonder where his husband is”

road biker by Bag of nuts October 27, 2020