(transitive) To place (something) in cases (a box that contains or can contain a number of identical items of manufacture); to be covered in a case (a box, sheath, or covering generally); to enclose o
(transitive) To place (something) in cases (a box that contains or can contain a number of identical items of manufacture); to be covered in a case (a box, sheath, or covering generally); to enclose or seal as if by a case.
We have to case up those bottles.
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(transitive, slang, AAVE) (to commit a crime and be arrested for it).
The computer should be cased up when you're done using it.
Case up means: (to commit a crime and be arrested for it).. It is informal slang, fine in casual speech but not suited to formal contexts. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour. If your teen uses it, context will usually make the intent clear. A short, curious question about where they heard it is usually all that is needed to know whether to follow up.
case up means: (to commit a crime and be arrested for it).. Register: very informal, slang. Suitable only for casual conversation, chat and social media. Do not use in business, academic or news writing. A common learner mistake is using the word in a register it does not fit, or assuming a single global meaning; native speakers immediately notice when slang appears in formal contexts, so always check the surrounding register before producing it yourself.
(transitive, slang) (to survey (a building or other location) surreptitiously, as in preparation for a robbery).
The buildings around it case it up.