be soft in the head

be soft in the head

To be dumb, foolish, or witless. You sold the car and bought a scooter? Are you soft in the head? Tommy's a good kid, but he's a little soft in the head.See also: head, soft

be/go soft in the ˈhead

(informal, disapproving) be/become crazy or stupid: Sometimes I talk to myself in the street; people must think I’m soft in the head.See also: go, head, soft