1. One who, or that which, knocks; specifically, an instrument, or kind of hammer, fastened to a door, to be used in seeking for admittance.
Shut, shut the door, good John ! fatigued, I said;
Tie up the knocker; say I'm sick, I'm dead. --Pope.
2. A person strikingly handsome, beautiful, or fine; one who wins admiration; a “stunner.” [Slang.]
3. A species of large cockroach, especially Blabera gigantea, of semitropical America, which is able to produce a loud knocking sound.
n 1: (Yiddish) a big shot who knows it and acts that way; a
boastful immoderate person
2: a person who knocks (as seeking to gain admittance); "open
the door and see who the knocker is"
3: one who disparages or belittles the worth of something [syn:
detractor, disparager, depreciator]
4: either of two soft fleshy milk-secreting glandular organs on
the chest of a woman [syn: breast, bosom, boob, tit,
5: a device (usually metal and ornamental) attached by a hinge
to a door [syn: doorknocker, rapper]