HairDryer - Turbocharger
Hammer Down - Open the throttle fully or accelerate rapidly
Handle - Street name, club member's name
Hardbelly - Young girl with a tight flat belly
Hardley (also see Hardly Ableson) - Slang name for a Harley in the sense that the speaker thinks of them as nothing more than an over-glorified chromey show-off piece rather than a real bike.
Hardly-Ableson - For Harley Motorcycles during the AMF era
Hardly-Ridable - Derogatory term for a Harley
Hardly-Davidson - Derogatory term for a Harley looking motorcycle that is not a Harley-Davidson brand motorcycle.
Harley Wrench - Hammer
Hard Tail - A rigid motorcycle frame with no shock absorbing device on the rear.
Haya-Bubba - Suzuki GSX-1300R Hayabusa
HBUBF - Hairy-Butt-Ugly-But-Fast (term for the Kawasaki Vulcan 750)
HD - Hardley Drivable
Heat - Law enforcement officer, also known as The Man.
Helmet - Skid Lid, Brain Bucket
Helmet-Jinx - The bad luck a biker (who chooses not to wear a helmet) gets when someone mentions that he should wear a helmet. If someone chooses not to wear a helmet don't jinx 'em.
High Siding - Wrecking a bike by flipping it over. Usually caused by releasing the rear break during a skid.
HOG - Harley Owner's Group ( http - //www.hog.com/) started in 1983
Hogwagen - A custom-built trike in which a Harley-Davidson front end and frame is grafted to a Volkswagen drivetrain (subframe, engine and transaxle).
Honda 750 Killer - Kawasaki 900 Z
Horsepower - The power of the motorcycle engine. The higher, the better. Although with an engine tuned for power, it might be at the expense of power at low RPM. Horsepower is a unit of engine power equal to 0,746 kilowatt (kW). Originally developed by James Watt to compare the power of steam engines to the work done by a horse.
Hosed - Worn or broken beyond repair
Hugger - A mudguard which 'hugs' the wheel closely.
Hugger - A type of Sportster, so named because its lowered suspension and lowered seat make it appear to "hug" the road.
Huggermucker - General term refering to either an inanimate object with an unidentifiable purpose, or a human being fitting the same discription (Credit - Big John at Humboldt County Choppers M/C in Eureka, California)
Hype-sucker - Anyone who buys into the Harley Hype