Question

what does it's heavier than a wet rug means anda what type of figurative language it's

Answer 1

Have you ever lifted a wet rug? Its pretty heavy, and it is a simile since it is comparing it to a wet rug.

Answer 2

The answer for above statement is:

Something is very heavy and/or difficult to manage. It is a hyperbole

Explanation:

Hyperbole is the technique of embroidery as an oratorical device or form of speech. In rhetoric, it is also seldom known as auxesis. In poetry and oratory, it highlights, provokes strong emotions, and generates great consequences. As a structure of speech, it is normally not meant to be taken really

Hyperbole may also be applied to situations such as exaggerations for importance or influence. Hyperboles are often used in the informal speech.