rubber duck
noun
- toy made of rubber (often used in the bath)
Wiktionary
noun
- A toy, made from rubber or rubber-like plastic, shaped like a duck; usually a floating bathtub toy.
- An inflatable boat.
“Around midday on Saturday, Warrnambool's main beach was evacuated when a volunteer from Warrnambool Surf Life Saving Club was thrown into the ocean from an inflatable rescue boat (IRB), often referred to as a rubber duck.”
verb
- To act as a sounding board for a programmer that is debugging their code, facilitating rubber duck debugging.