Originates from the actual sound that something very clean may make.

Literal Sound

Evokes an image of brightness or shine, often linked to cleanliness.

Visual Imagery

Implies a level of cleaning beyond the usual, often for special occasions.

Suggests someone has no history of misconduct or ethical breaches.

A squeaky clean record can make a person seem more reliable or trustworthy.

Having a squeaky clean image can be beneficial in professional settings.