Motorcycles are the best form of adrenaline rush because when you get off one you say, "wow i'm still alive!"

A really expensive roller coaster, that kills you when you try and put your hands in the air going down hills.

A technique for giving blowjobs in which the giver twists their hand on the receiver's shaft as if they were revving up a motorcycle (as opposed to the standard up and down motion) while sucking.

A vehicle composed of basically an engine, a tank, and a pair of wheels. Often have excellent power-to-weight ratio and heaven sent fuel-consumption.

Not necessarily a sportsbike (refered to as "crotch rocket" by those who can't get their momma to buy them one, or can't get any).

Comes in various forms, from a cruiser (terminator bike), dual-purpose bikes (badass bike, typically used by the villains in a movie, eg: KLR650) to naked bikes (father of the sportsbike, mother of all bikes, eg: Bandit 1200, Ducati Monster).

Unfortunately, sometimes it is operated by attention whores, monkeys, or people with small dick. These are the ones you see riding recklessly on the freeway, often wearing nothing more than a helmet, a t-shirt, and a pair of flip-flops.

Sometimes used as a benchmark for accelaration by ignorant petrolheads, such as that kid driving his mom's civic who thinks he's the shiet when passing one, or that whiny british car journalist.

An incredibly easy dance! Just lean back and pretend you are revving up a motorcycle. Invented and popularized by rapper Yung Joc, who can be seen doing the motorcycle in his video, "It's Goin' Down".

A two wheeled hearse. The ultimate chick magnet...bound to get you laid. You will be considered a true outlaw by your friends if you ride one. Just don't get hurt!

An attractive girl wearing her hair in pigtails, which you want to grab, use as handlebars, and ride her all night long

When you stick your thumb in a chicks ass and rev it like a motorcycle! Vrooooom!

A sex position in which a man and woman have anal sex. It is like doggy style (girl on hands and knees and takes it in the ass). The difference between the two styles, is only that the woman has pigtails, and the man holds onto them like handle bars on a motorcycle.