Английский словарь американских идиом - bringdown

{n.}, {slang}, {informal} 1. (from "bring down", past "brought down"). A critical or cutting remark said sarcastically in order to deflate a braggard's ego. * /John always utters the right bringdown when he encounters a braggard./ 2. A person who depresses and saddens others by being a chronic complainer. * /John is a regular bringdown./