noddle

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++nod·dle /ˈnɒdl $ ˈnɑːdl/ noun [countable] British English old-fashioned informal  INTELLIGENTyour head or brain 头；头脑 It’s easy enough to do if you just use your noddle (=think). 这事很容易，你只要动动脑筋就行了。

Examples from the Corpus

noddle• As for splitting the spoils and building separate, well, you must be off your noddle.

nod·dle nounChineseSyllable  

head Corpus your brain or

noddle
nod‧dle /ˈnɒdl $ ˈnɑːdl/ noun [countable] British English old-fashioned informal
your head or brain:
    It’s easy enough to do if you just use your noddle (=think).

nod·dleBrE /ˈnɒdl/ 🔊NAmE /ˈnɑːdl/ 🔊 (NAmE usually noo·dle) noun (old-fashioned, slang) your head; your brain 头；脑袋