knocker (English)

Noun

(Yiddish) a big shot who knows it and acts that way; a boastful immoderate person

Noun

a person who knocks (as seeking to gain admittance); "open the door and see who the knocker is"

Noun

one who disparages or belittles the worth of something

Noun

either of two soft fleshy milk-secreting glandular organs on the chest of a woman

Noun

a device (usually metal and ornamental) attached by a hinge to a door