1. [19C+] the human head.
2. [20C+] used fig. to denote intelligence, the mind [fig. use of sense 1].
[1900s] (US) crazy.
[2000s] the brain.
[late 19C+] (US) a dull, stupid person; thus adj. noodleheaded, stupid.
[1920s] (US) tea.
[mid-19C] the House of Lords.
[1940s+] (orig. US) experiencing the effects of a drug.
to use one’s head, to act sensibly, to think things through (cf. use one’s noddle under noddle n.).