n.
1.(Yiddish) a big shot who knows it and acts that way
2.a person who knocks (as seeking to gain admittance)
3.one who disparages or belittles the worth of something
4.either of two soft fleshy milk-secreting glandular organs on the chest of a woman
5.a device (usually metal and ornamental) attached by a hinge to a door
Idiom of the Day
wisecrack
a sarcastic or witty remark
The woman made a wisecrack during the speech which caused the audience to start laughing.