| Noun | 1. | knocker - (Yiddish) a big shot who knows it and acts that way; a boastful immoderate person Yiddish - a dialect of High German including some Hebrew and other words; spoken in Europe as a vernacular by many Jews; written in the Hebrew script big cheese, big deal, big enchilada, big fish, big gun, big shot, big wheel, head honcho - an important influential person; "he thinks he's a big shot"; "she's a big deal in local politics"; "the Qaeda commander is a very big fish" |
| 2. | knocker - a person who knocks (as seeking to gain admittance); "open the door and see who the knocker is" | |
| 3. | knocker - one who disparages or belittles the worth of something cynic, faultfinder - someone who is critical of the motives of others backbiter, defamer, libeler, maligner, slanderer, traducer, vilifier - one who attacks the reputation of another by slander or libel hatemonger - one who arouses hatred for others muckraker, mudslinger - one who spreads real or alleged scandal about another (usually for political advantage) | |
| 4. | knocker - either of two soft fleshy milk-secreting glandular organs on the chest of a womanadult female body, woman's body - the body of an adult woman lactiferous duct - ducts of the mammary gland that carry milk to the nipple mammary gland, mamma - milk-secreting organ of female mammals ring of color, areola - small circular area such as that around the human nipple or an inflamed area around a pimple or insect bite | |
| 5. | knocker - a device (usually metal and ornamental) attached by a hinge to a door device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water" front door, front entrance - exterior door (at the entrance) at the front of a building |