Throwing something with force or carelessly; tossing something aside.
From Middle English 'chukken,' possibly from Old Norse 'kukka' or related to the sound 'chuck' itself. It entered English around the 1500s as an onomatopoetic word mimicking the sound of throwing.
The phrase 'chuck it in the bin' is very British English, but 'chucking' is one of those words that sounds so informal it was actually banned from formal writing until the 1800s—now it's everywhere in casual speech.
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