Bouncer bomb

Bouncer bombs are a dangerous kind of weapon that only an expert should use. They are bombs that do not necessarily explode upon contact, but damage the target by impact before bouncing off to another target. Their trajectory cannot be controlled, so it takes someone who can make sound assessments on their effectiveness, based on the properties of the battlefield and arrangement of the soldiers, to wield them properly.

Fiction

The Transformers cartoon

Skywarp was equipped with bouncer bombs and used one against the Autobots in the battle for the Immobilizer. It failed to hit a single Autobot (but nearly did get a tree to fall on Spike and Carly) and ricocheted off so many surfaces that it became a danger to the Decepticons too. Megatron transformed and had Soundwave shoot the thing. The explosion generated by its destruction hit a tree that fell on Optimus Prime. The Immobilizer