knocker

nouns

(Yiddish) a big shot who knows it and acts that way; a boastful immoderate person
knocker
domain category
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
Yiddish
is a type of (narrower)
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"
big cheese, big deal, big enchilada, big fish, big gun, big shot, big wheel, head honcho
a person who knocks (as seeking to gain admittance)
"open the door and see who the knocker is"
knocker
is derived from
knock
is a type of (narrower)
a human being
"there was too much for one person to do"
individual, mortal, person, somebody, someone, soul
one who disparages or belittles the worth of something
depreciator, detractor, disparager, knocker
either of two soft fleshy milk-secreting glandular organs on the chest of a woman
boob, bosom, breast, knocker, tit, titty
a device (usually metal and ornamental) attached by a hinge to a door
doorknocker, knocker, rapper