Г239
С ГОЛОВОЙ1
collPrepPInvar 1. парень, малый, человек и т. п. \Г-239 approv ( subj-compl with copula (subj: human or nonagreeing modif ) very smart, sensible, capable
have (with) a good head on one's shoulders
have (with) brains (a brain, smarts).
2.
adv (to do sth. ) sensibly, intelligently
use (using) one's head (brain(s)).