When something goes in the opposite direction it is intended to; use your imagination.

When "something" goes in the opposite direction, it has negative distance.

One who is seriously crazy or deranged (needs assistance as soon as possible).

Someone who goes to a sleep over with nothing but a sweatshirt to sleep in, in the morning they are often found curled into a ball anywhere from under the table to under the bed. There's two ways to get rid of a hobo, either drive him yourself to his place called "home" or attach a ham sandwich to a string and place it under a box.