Netizens demanded the person involved come out and address it directly.
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culture
A Taiwanese internet slang phonetic transcription of Hokkien 出來講 (Tâi-lô: tshut-lâi kóng, 'come out and speak'), with 'tshut-lâi' contracted to 'tshòai' → 踹 (chuài) and 講 → 共 (gòng). Mostly used online to dare someone to defend themselves publicly.
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Internet/Taiwan only, often confrontational. Don't use in mainland Mandarin formal contexts — listeners may not understand it at all.