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English definition of “what's that (all) about (then)?”

what's that (all) about (then)?

UK informal
used when you do not understand why something or someone is so popular or fashionable : Pierced tongues - what's that about, then?Question words and expressions Grammar:ExclamationsWe use exclamations to express surprise or shock or a strong emotion about something. The type of phrase or clause associated with exclamations is called exclamative.Grammar:What …!We can use what + noun phrase ((+ verb) (+ tag)):Grammar:How …!We often use how followed by an adjective only:Grammar:Exclamatives with interrogative formWe sometimes make an exclamation using interrogative (question) word order:Grammar:Questions: interrogative pronouns (what, who)We use interrogative pronouns to ask questions. They are: who, which, whom, what and whose. These are also known as wh-words. Questions using these are called wh-questions:Grammar:Interrogative pronouns: usesWe use who and whom on their own:Grammar:WhatWhat is a wh-word. We use what to ask questions and as a pronoun and determiner.Grammar:What as a question wordWe can use what to ask for information about things and actions:Grammar:What meaning ‘please repeat’We can use what in informal situations to ask someone to repeat something if we don’t hear it or understand it:Grammar:Emphatic questions with whatever and what on earthWe can ask emphatic questions using whatever or what on earth to express shock or surprise. We stress ever and earth:Grammar:What as a pronounWe can use what as a pronoun to mean ‘the thing(s) that’:Grammar:What as a determinerWe can use what in exclamations to express a strong feeling or opinion. In this case, we use what as a determiner before a noun or before a/an (+ adjective) + noun:Grammar:What … for?We can use what … for? in two ways. We can use it in informal situations to mean why?:Grammar:What: typical errors
(Definition of what's that (all) about (then)? from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Translations of “what's that (all) about (then)?”

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