use one’s head

use one’s head

Think, have common sense, as in Use your head, Martin. No one’s coming out in this weather. This idiom uses head in the sense of “brain” or “intellect,” a usage dating from the late 1300s.

Related Words for use one’s head meditate, brood, brainstorm, ponder, resolve, consider, study, appreciate, reflect, judge, speculate, revolve, figure, deliberate, muse, excogitate, contemplate, weigh, cogitate, think