have your head screwed on

have (one's) head screwed on (right)

To have sound judgment. I'm not surprised that Melissa invests most of her paycheck instead of spending it frivolously because she's always had her head screwed on right.
See also: have, head, on, screw
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

have your head screwed on

INFORMAL
If someone has their head screwed on, they are sensible and realistic. Good girl! I always knew you had your head screwed on properly. The only one with her head screwed on was granny.
See also: have, head, on, screw
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

have your head screwed on (the right way)

have common sense. informal
See also: have, head, on, screw
Farlex Partner Idioms Dictionary © Farlex 2017

have your ˈhead screwed on (the right way)

(informal) be sensible: You can certainly trust Ann with your money. She’s got her head screwed on the right way. OPPOSITE: have a screw loose
See also: have, head, on, screw
Farlex Partner Idioms Dictionary © Farlex 2017
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