Spanish (Castilian) · B2 humor

Costar un riñón

Literally: "To cost a kidney"

To cost an arm and a leg

Example

Este teléfono cuesta un riñón, pero es increíble.

This phone costs an arm and a leg, but it’s amazing.

Pip says

Drop this when something’s so expensive it makes your wallet wince—like a berry priced like gold!

What does this phrase mean?