Welcome to Clutch and Chrome's Biker Dictionary.

Ever read or hear something that sounds like biker lingo or rider slang? We've collected the most commonly used definitions, lingo and slang and put it in everyday language.

If there's something you feel we've missed email our Biker Dictionary Editor with the word or phrase and what it means. Make sure to include your name and where you live since we want to give you credit!

Enjoy!

A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T
U - V - W - X - Y - Z

False Neutral
Although it appears the motorcycle is in neutral, it really isn't.

Fathead
Nickname given to Harley Davidson’s V-Twin, engine which started production in 1999.

Final Drive
There are many systems in a motorcycle referred to as drive. The final stage of transferring the power to the rear wheels is called the final drive.

Flathead
Nickname given to Harley Davidson’s V-Twin, engine produced from 1929 to 1972.

Fast Riding Award
Speeding ticket

Fat
Term given when a motorcycle is running the fuel mixture too richly

Fender Bunny
Pretty female passenger. Also called Fender Fluff.

Fishtail Muffler
Or sometimes simply call Fishtails. An exhaust system with an end resembling a fishtail from the side. It’s said these where initially developed to prevent night sticks from fitting inside them so law enforcement couldn’t check for baffles which are used to makes motorcycles quieter.

Flogging it
Riding a motorcycle hard, quickly working through the gears.

Flower Pot
Nickname given to non-DOT approved helmets.

Fluid Exchange
To stop for gas and a bathroom break.

Flycatcher
Nickname for a Kuryakyn Hypercharger.

Flying Colors
Riding while wearing a motorcycle clubs colors. Also see colors, club, motorcycle club.

Fools Paradise
Nickname for a Harley-Davidson.

Foot Padding
When an unskilled or new riding 'walks' the bike at low speeds.

Fork Dive
The compression of the front fork suspension, usually caused by excessive braking or lowering the motorcycles height. Also see bottoming.

Forks
The metal tubes holding the front wheel to the rest of the motorcycle.

Four Banger
Nickname for an inline four engine. A four cylinder engine that has the pistons all in a row. Among the larger and more powerful motorcycle engines. Also see inline four.

Four Cylinder
A motorcycle with four cylinders.

Free Sag
The measurement of how much the motorcycle settles, or lowers under its own weight.

Free Rider
A rider who shares the same ideals as a motorcycle gang, but doesn't belong to one.

Front Door
Lead biker of a group ride.

Fuel Injection System
Electronic system that mixes the fuel-air charges and forcibly inject them into the combustion chambers. This is unlike conventional carburetors that rely on vacuum to draw the mixture into the chambers. Also see EFI.

Fuel Management System
Carburetor