belt up
(slang, transitive) To beat up (someone).
Definitions
(slang, transitive) To beat up (someone).
Comments
(British, intransitive) To fasten one's seat belt.
Comments
(British, intransitive, colloquial, derogatory, usually in imperative) To stop talking or chattering; to shut up.
Belt up means: To stop talking or chattering; to shut up.. It is generally derogatory or offensive; worth a quiet word about how it lands on the person being described. 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.
belt up means: To stop talking or chattering; to shut up.. Register: very informal, often derogatory or vulgar. Avoid in formal, business, academic, or polite writing. Even in casual speech the word can offend and is best left out of a learner's active vocabulary. Common learner mistake is using the word in a register it does not fit, or assuming a single global meaning; always check the context before producing it yourself.
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