magic mug
noun1
A mug printed with oxidized ink so that it changes colour when filled with hot liquid; often sold as memorabilia.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
A mug printed with oxidized ink so that it changes colour when filled with hot liquid; often sold as memorabilia.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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