0 present participle of bump
2 to travel, usually in a vehicle, in an uncomfortable way because the surface you are moving over is rough:
3 to remove someone from a particular position, sometimes to a different one:
He's got a bruise where he bumped his leg against the corner of the table.
The removal men kept bumping the furniture against the walls and chipping the paint.
It may manifest as bumping into objects or doorways in navigation.
Patients experience problems with their peripheral vision, bumping into or tripping over objects no longer within their limited field of view.
The opposite leg is the one out of phase with the bumping one.