take into one's head, to

take something into one's head

Fig. to get an obsession or overpowering idea into one's thinking. George took this strange idea into his head about fixing the car himself. I don't know why she took that strange idea into her head.
See also: head, take
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

take into one's head, to

To conceive an idea. This vivid image of putting an idea inside one’s head was already known about 1700. Joseph Addison used the expression (The Spectator, 1711): “When every Body takes it in his Head to make as many Fools as he can.”
See also: take
The Dictionary of Clichés by Christine Ammer
See also:
  • put (something) in (one's) head
  • put (something) into (one's) head
  • put in head
  • put something into someone's head
  • pop into (someone's) head
  • bounce an idea off (of) (one)
  • bounce an idea off someone
  • that's an idea
  • that's an idea!