Literal Translation
To break the feet
Actual Meaning
To really annoy someone, to be in a pain in the neck
Etymology
The origin of ‘casser les pieds’ (to break one’s feet) comes from a common physical metaphor in the French language. The idea of breaking evokes pain or discomfort, while feet, symbols of movement and freedom of action, illustrate the constraint or impediment caused by constant irritation.
In centuries past, walking was an essential part of daily life. Having injured or sore feet hindered all activity and became a constant nuisance. By analogy, an insistent or annoying person has a similar effect: they disturb, tire and prevent one from moving forward peacefully.
Although its exact origin is difficult to trace, this expression began to be commonly used in the 19th century. It is part of a linguistic tradition in which the human body is used as a basis for colourful expressions, such as ‘casser la tête’ (to bother someone mentally) or ‘casser les oreilles’ (to annoy someone with noise).
Even today, ‘casser les pieds’ remains widely used and retains its original meaning, still expressing exasperation in the face of an annoying situation.