(chiefly, UK, Irish) A syrupy byproduct of sugar refining; molasses or golden syrup.
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(Cockney rhyming slang) Sweetheart (from treacle tart).
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Cloying sentimental speech.
Listen, treacle, this is the last time I'll warn you!
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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