blanket

A word or phrase used to describe a broad range of similarly related things, usually resulting in diluting the specific meaning of individual items. "Idiom" is often used as a blanket term for any element of language that is used strangely or uniquely by its users. "American" can be seen as something of a blanket term, considering how drastically people differ from one part of the country to the next.

Someone who ruins other people's fun. Don't invite Nicole to the party. She's such a wet blanket that she'll probably just complain the whole time. David was tired of being called a wet blanket by his friends just because he doesn't drink alcohol.

Fig. to cover someone or something with something. They blanketed the flames with a layer of foam. The children blanketed Jimmy with leaves and pretended he was lost.

Rur. [of a child] illegitimate. All his life, Edward felt that people looked down on him because he was born on the wrong side of the blanket. Just between you and me, I suspect Mrs. Potter's oldest child was born on the wrong side of the blanket.

Rur. eyes with dark circles around them. I can tell you ain't slept. You got eyes like two burnt holes in a blanket.

Fig. a dull or depressing person who spoils other people's enjoyment. Jack's fun at parties, but his brother's a wet blanket. I was with Anne and she was being a real wet blanket.

someone who does or says something that stops other people from enjoying themselves I don't want to be a wet blanket, but you really must play your music more quietly or you'll disturb the people next door.

Something that dispels anxiety, as in I always carry my appointments calendar; it's my security blanket. This colloquial term, dating from about 1960, was at first (and still is) used for the blanket or toy or other object held by a young child to reduce anxiety.

A person who discourages enjoyment or enthusiasm, as in Don't be such a wet blanket-the carnival will be fun! This expression alludes to smothering a fire with a wet blanket. [Early 1800s]

A lumberjack expression for laziness, as if the woodsman had a medical reason for staying in bed instead of working.

A spreader of gloom. What could put more of a damper on lovely summer day picnic than a wet ground cloth—unless it's a person who, by word or deed, spoils everyone's fun? Such a spoilsport at any otherwise enjoyable event goes by the epithet “wet blanket,” better known to recent generations as a party pooper.

Illegitimacy. A child born out of wedlock was said to have been born on the wrong side of the blanket, as if being under the covers was a luxury to which only legitimate babies were entitled. Other obsolescent phrases for an illegitimate baby are “natural child” and “love child.”