What does 'idk brb' mean? - Quora

Answer (1 of 4): “idk” means I don't know and “brb” means Be right back. These are very common in online chatting.

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What is the meaning of LOL, IMO, IDK, LMAO, IDC? - Quora

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What does 'idk brb' mean? - Quora

Writing meh answer, acting intellectual in comment section and getting savagely roasted by user on Quora : r/india

What does 'IDK' mean? - Quora