highside1
/ˈhʌɪsʌɪd/Motorcycling
noun
A type of accident in which the rear tyre of a motorcycle loses and suddenly regains traction on a road surface when cornering, resulting in the rider being thrown into the air and over the motorcycle. Frequently attributive, as highside accident, highside crash, etc.
Origin
1970s. From high + side.
highside2
/ˈhʌɪsʌɪd/Motorcycling
verb
[no object] Of a motorcycle or its rider: to have a highside accident. Also with object (in pass.).
Origin
1970s; earliest use found in AMA News. From highside.