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Related to shell: shell shock, Shell scripting
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crawl into (one's) shell
To retreat into one's mind or otherwise isolate oneself so as to avoid undesirable thoughts, situations, or interactions with people. After getting mugged, I crawled into my shell and didn't speak to anyone for nearly a week. I'm not good around large groups of people; I usually just crawl into my shell and wait until I can be alone. Don't crawl into your shell because you don't want an argument—talk to me and let's discuss the problem!
go into (one's) shell
1. To retreat into one's mind or otherwise isolate oneself so as to avoid undesirable thoughts, situations, or interactions with people. After getting mugged I went into my shell and didn't speak to anyone for nearly a week. I'm not good around large groups of people; I usually just go into my shell and wait until I can be alone. Don't go into your shell because you don't want an argument—talk to me and let's discuss the problem!
2. To act in a reserved and/or defensive manner. The team went into their shells after half time, trying to protect a slim lead. The senator went into his shell when reporters tried to question him about allegations of tax fraud.
See also: shell
be out of (one's) shell
To be less shy or reticent and more sociable, outgoing, or enthusiastic. Samantha was quite a quiet girl growing up, but she's really been out of her shell since leaving for college. Jack is actually a very funny, engaging guy once he's out of his shell.
out of (one's) shell
Less shy, reserved, or reticent and in a more sociable, outgoing, or enthusiastic state. Samantha was quite a quiet girl growing up, but she really started coming out of her shell in college. Jack is actually a very funny, engaging guy once he's out of his shell.
come out of (one's) shell
To become more outgoing. Usually said of a shy or introverted person. Wow, Anna has really come out of her shell lately. I remember when she wouldn't even talk to anyone, and now she's likely to be voted "Most Talkative.
bring (one) out of one's shelland get one out of one's shell; bring one out; get one out
Fig. to make a person become more open and friendly. (Alludes to a shy turtle being coaxed to put its head out of its shell.) We tried to bring Greg out of his shell, but he is very shy. He's quiet, and it's hard to get him out of his shell.
come out of one's shell
Fig. to become more friendly; to be more sociable. (Alludes to a shy turtle putting its head out of its shell.) Come out of your shell, Tom. Go out and make some friends.
in a nut shell
Fig. [of news or information] in a (figurative) capsule; in summary. This cable channel provides the latest news in a nut shell. In a nut shell, what happened at work today?
shell out (an amount of money)
to spend a certain amount of money. I'm not going to shell out $400 for that! Come on. You owe me. Shell out!
shell out something
to pay money The insurance giant estimates that in Texas alone it will have to shell out $85 million to settle these claims. How much does the company expect to shell out for a solution to the problem?
Usage notes: usually said about large amounts of money
a shell game(American)
a method of deceiving or cheating someone, by moving things from one place to another in order to hide what you are doing
Usage notes: A shell game is a game in which someone must guess which of three shells a ball or pea (= a small, round, green vegetable) is placed under when they are moved quickly around.The thieves played a shell game with the police, constantly shifting the stolen goods. He owns many small businesses in different states as part of a shell game to save on taxes.
come out of your shell
to become less shy and more friendly Tom used to be very withdrawn but he's really come out of his shell since Susan took an interest in him.
like shelling peas
If an activity is like shelling peas, it is very easy for you. For Adam, learning to ski was like shelling peas.
in one's shell
Also, into one's shell. In a quiet or withdrawn state. For example, Jim is extremely shy; if you try to get him to talk he immediately goes into his shell. This usage alludes to the shell as a protective covering and dates from about 1800, as does the antonym, out of one's shell, as in Once Anne is out of her shell she's very articulate. However, the same expression was also used from the 1500s on to denote being young and inexperienced, alluding to a baby bird that had not quite emerged from its shell.
See also: shell
out of one's shell
see under in one's shell.
Pay, hand over, as in We had to shell out $1,000 for auto repairs. This expression transfers taking a seed such as a pea or nut out of its pod or shell to taking money out of one's pocket. [Colloquial; c. 1800]
To pay some amount of money, often reluctantly: I had to shell out $500 on car repairs. We had to shell the full amount of tuition out even though many of the classes had been canceled.
shell out (an amount of money)and shell (an amount of money) out
tv. & in. to spend a certain amount of money. I’m not going to shell $400 out for that!
shell an amount of money outverb
Psychological adverse reaction to combat. The phrase originated during World War I when intensive enemy artillery bombarding caused soldiers in the trenches to suffer from a variety of traumas that ranged from moderate panic attacks to physical and emotional paralysis. Changes in warfare and psychological lingo caused the phrase to be replaced during the Second World War by “battle fatigue” and more recently to “posttraumatic stress disorder.”