english
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general::
Phrase(s): use one’s head [and] use one’s noggin; use one’s noodle Fig. to use one’s own intelligence. (The words noggin and noodle are slang terms for "head.") • You can do better in math if you’ll just use your head. • Jane uses her noggin and gets things done correctly and on time. • Yes, she sure knows how to use her noodle.
McGrawhill's American Idioms And Phrasal Verbs