use one's noggin
idiom
informal
: to think carefully
"I don't understand the math homework." "Use your noggin and apply the rules you've learned."
Cite this Entry
“Use one's noggin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/use%20one%27s%20noggin. Accessed 29 Nov. 2025.
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Merriam-Webster unabridged
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