Welly (noun)

A type of waterproof boot, typically made of rubber and reaching above the ankle, worn especially in wet weather.

Origin:

Slang, short for wellington boot.

Examples:

1. She put on her wellies before going out to walk in the rain.
2. Wellies are a must-have for a festival-goer, especially if the weather forecast is not favorable.
3. The farmer's wellies were caked in mud after a long day working in the field.
4. The wellies were a practical and comfortable footwear option for wet and muddy conditions.
5. Wellies were also popular with children and were often seen as a fun and playful footwear option.