• (n.) Anything that floors or upsets a person, as a blow that knocks him down; a conclusive answer or retort; a task that exceeds one`s abilities. Found on http://thinkexist.com/dictionary/meaning/floorer/
Floor'er noun Anything that floors or upsets a person, as a blow that knocks him down; a conclusive answer or retort; a task that exceeds one's abilities. [ Colloq.] Found on http://www.encyclo.co.uk/webster/F/45
a person who lays floors. · a person, blow, etc., that knocks someone or something to the floor. · something that beats, overwhelms, or confounds. Found on https://www.infoplease.com/dictionary/floorer