This term is used in Mexico and refers to a third person who accompanies a couple to prevent them from being alone or engaging in intimate behavior. It's similar to the English term 'chaperone'.
Examples
- Spanish: María fue la carabina de Ambrosio en la cita de su hermano menor, para asegurarse de que todo iba bien.
- English: Maria was the chaperone on her younger brother's date to make sure everything went well.