When one finds themself attracted bikes more than other humans, and constantly fantasises about motorbikes in an almost 'pornographic' way.

The Erik Estrada is a sexual manoeuvre where "the man" wearing aviator sunglasses, anally mounts "the woman" who is in doggy stlye position. Next he reaches forward grabbing her forearms/wrists, and pulls her arms back to mimic motorbike handles. He then procedes to pump away, while making motorbike noises.

Typically described as a full on male nerd who fully believes that the introduction and then subsequent removal of his sexual attentions from a woman's life can destroy her very existence. Confident in his extraordinary bedroom prowess, he can be characterised by his awkward dress sense, many female "just" friends, short stature and his extensive collection of PC gaming paraphenalia. Often balding, this man wears spectacles and declares himself an athiest. Is likely to have pronounced his love to many women, directly followed by a knowing look and the phrase "I'd only hurt you." This belief is based on real experience or an impressive intellectual architecture of movie plots sublimated over many years of saturday nights at home.

Stock phrases include "Trust me, I'm a dick", "No, Modern Warfare on the PC is way better" and "Sure mum, I'll zip you up".

A potential sexual partner who, due to appearance or reputation, looks like a fun ride, but you wouldn't want your friends to hear about it.

A person who shows symptoms of obsessive compulsive disorder and deviant sexual behavior in relation to motorcycling. Symptoms usually persist for up to 6 months at a time (or however long the riding season lasts) but may persist indefinitely. Symptoms may include the following:
-Excessive thoughts about motorcycles, motorcycling and related material
-Disproportionate spending of income on motorcycle related items including but not limited to: new motorcycles, safety gear, performance parts, non-performance parts, race tickets, track days, premium gas, books, videos etc.
-Aimless wandering while on a motorcycle
-Losing track of time while on a motorcycle
-Physical symptoms of withdrawal during long absences of riding

In addition to these motosexuals will also forgo food and/or sex in favor of "quality time' with their motorcycle and often transcend into deviant sexual behavior including but not limited to the following:
-Sexual thoughts and behaviors involving the use of a motorcycle
-Association of motorcycle related items with sex
-Fetishes involving the use of gear such as helmets, gloves, jackets and boots
-Fetishes involving any number of fluids used in motorcycle maintenance especially those in which the fluid is a type of lubricant

Motosexuals are unique in that they are aware of their condition and even pleased by it. Despite the fact that being a motosexual may have an adverse impact on health, family life, work and social life most motosexuals do n...

To only feel sexual desire to bicycles. This can include motorised bicycles.

the rubbing or friction of a woman's boobs against the back of a man as when the woman is riding behind the man on a motorbike or when the woman is standing behind the man in a crowded bus.