• (n.) The frog of a horse`s foot. • (a.) Easily broken; brittle; crisp. • (n.) A discharge of a fetid or ichorous matter from the frog of a horse`s foot; -- also caled thrush. • (n.) Noise; clatter; crash. • (v. t.) To batter; to break in pieces. Found on http://thinkexist.com/dictionary/meaning/frush/
Frush transitive verb [ French froisser to bruise. Confer Froise .] To batter; to break in pieces. [ Obsolete] « I like thine armor well; I'll frush it and unlock the rivets all.» Shak. Found on http://www.encyclo.co.uk/webster/F/82