know something like the back of one's hand
idiom
: to know something completely
I know this town like the back of my hand.
Dictionary Entries Near know something like the back of one's hand
know something like the back of one's hand
Cite this Entry
“Know something like the back of one's hand.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know%20something%20like%20the%20back%20of%20one%27s%20hand. Accessed 22 Nov. 2024.
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