have one's head screwed on

== English == === Alternative forms === have one's head screwed on right have one's head screwed on straight have one's head screwed on the right way === Verb === have one's head screwed on (third-person singular simple present has one's head screwed on, present participle having one's head screwed on, simple past and past participle had one's head screwed on) (colloquial) To be a sensible thinker capable of making sound decisions. ==== Translations ==== === See also === good head on one's shoulders have a screw loose