Flyweight (noun)

1. A weight class in boxing for fighters weighing less than 112 pounds (51 kg).
2. A person or thing that is light in weight or size.

Origin:

From the term "flyweight" in boxing, meaning a weight class for boxers who weigh less than 112 pounds (51 kg).

Examples:

1. The flyweight boxer was incredibly quick and agile in the ring.
2. The new car is a flyweight compared to the previous model.
3. Flyweight is the lightest weight category in amateur and professional boxing.
4. The flyweight division has produced some of the most exciting fights in boxing history.
5. He was a flyweight in terms of physical strength but had a giant-sized personality.