What is the meaning of Frush?

To break up, smash.

To charge, rush violently.

To straighten up (the feathers on an arrow).

Easily broken; brittle or crisp.

noise; clatter; crash

The frog of a horse's foot.

A discharge of a foetid or ichorous matter from the frog of a horse's foot; thrush.

Brittle, weak, decayed or rotten .

Crumbly or loose .

Crumbly or mealy .

Source: wiktionary.org