Racing. a walking or trotting over the course by a contestant who is the only starter.
an unopposed or easy victory.
any task easily done.
Gymnastics. a vertical rotation of the body from a standing position, performed by leaning forward to a brief handstand and bringing the legs over and back down to the floor one at a time (front walkover) or by arching backward to a similar handstand and returning the feet to the floor (back walkover)
Origin of walkover
First recorded in 1830-40; noun use of verb phrase walk over