have straws in (one's) hair(redirected from have straws in their hair)
have straws in (one's) hair
obsolete To be insane or mentally deranged; to be or have been a patient of a mental institution. The more sensationalist newspapers have taken to saying he has straws in his hair, but I think that he knew full well the scope and impact of his crime.
straws in your haira state of insanity.
In former times, the floors of mental institutions were covered with straw, and so having straw in the hair came to be regarded as a characteristic of a deranged person.