(slang, transitive) To beat up (someone).
(slang, transitive) To beat up (someone).
Add your own interpretation of "belt up".
UK and Irish slang — Cockney, Scouse, Geordie, Yorkshire, Glaswegian, Brummie, Welsh, West Country, plus Irish English. Centuries of regional dialects feeding into modern British and Irish street talk.
See all British & Irish slang slang on Slangora.
Browse all slang words starting with B.
(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.
(British, intransitive) To fasten one's seat belt.