頭あたまが回まわらない

expression, i-adjective

muddleheaded; not thinking straight; brain not working

Describes a state where one's mind is sluggish, unable to think clearly, often due to tiredness, stress, or confusion. The affirmative form is 頭が回る.

See also: 頭が回る (あたまがまわる)

• 寝ね不ぶ足そくで頭あたまが回まわらない。

  I can't think straight because of lack of sleep.

• 緊きん張ちょうして頭あたまが回まわらなかった。

  I was so nervous I couldn't think clearly.