An extreme sexual gearhead or motorhead who finds some aspect of
internal combustion or vehicles erotic.
People
turned on by humping
motorcycles, the shape of car bodies, the sound, smell or look of exhaust.
Look at that motosexual, reving and humping his dirtbike and turning around to look at
the smoke!
OR
Yeah, that motosexual, ever since he put a cam in his chevelle, he has been
driving around with a woodie!