1.
A hit-and-run accident is an accident in which the driver of a vehicle hits someone and then drives away without stopping.
...a hit-and-run driver in a stolen car.
ADJ : ADJ n
2.
A hit-and-run attack on an enemy position relies on surprise and speed for its success.
The rebels appear to be making hit-and-run guerrilla style attacks on military targets.
ADJ : ADJ n