estar mal de las chapas 53
It's like saying "be out of your mind," alienated, intoxicated. In this case 'the plates' refer to those used to put as the roof of the houses, making a parallel between the upper part of the house and the head. See chapita, be on the head.
Like 0
* Only one "like" per meaning and day, the more "likes" the meaning will appear higher in the list