Comprehensive resource for understanding and mastering English idioms
The idiom "pipe down" means to be quiet or stop talking. It is a command or request for someone to cease speaking or making noise, often used to express frustration or annoyance. The figurative meaning of this idiom implies that the speaker should suppress their voice and not disturb others.
The idiom "pipe down" is believed to have originated from the 19th century practice of blowing through a pipe or flute to signal the end of a performance. This act of blowing through the pipe would be referred to as "piping down". The idiom gradually evolved over time to mean silencing someone's voice, and its usage became more common in contemporary language.