A
slang phrase meaning "To have a physical
accident", often a serious one. It applies especially to accidents in which you
fall down or
trip and fall. In general, it means to to be brought low by
gravity and
momentum. It can mean to lose control whilst travelling at speed and colide with a stationary object or
impact the ground.
This phrase is generaly applied to people and sometimes to cyclists. It is less frequently applied to more more mechanised forms of conveyance. It is less frequently applied to abstract derailments.