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Share not know the first thing about
not know one's ass from one's elbow
not know one's own strength
not know someone from Adam
not know the first thing about
not know what the world is coming to
not know where someone gets off
not know whether to laugh or cry
Cite this Entry
“Not know the first thing about.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/not%20know%20the%20first%20thing%20about. Accessed 20 Sep. 2020.
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