| barking mad(expression, crazy, mad, insane) |
| being rash and foolish(expression, crazy, mad, insane) |
| buck wild(expression, crazy, mad, insane) |
| fruit cake(expression, crazy, mad, insane) |
| loose in the bean(expression, crazy, mad, insane) |
| loose in the upper storey(expression, crazy, mad, insane) |
| lost one's mind(expression, crazy, mad, insane) |
| lost your marbles(expression, crazy, mad, insane) |
| lost your mind(expression, crazy, mad, insane) |
| mad as a cut snake(expression, crazy, mad, insane) |
| mad as a meat axe(expression, crazy, mad, insane) |
| not right in the head(expression, crazy, mad, insane) |
| nothing upstairs(expression, crazy, mad, insane) |
| nutty as a fruitcake(expression, crazy, mad, insane) |
| off one's block(expression, crazy, mad, insane) |
| off one's rocker(expression, crazy, mad, insane) |
| off one's trolley(expression, crazy, mad, insane) |
| off the air(expression, crazy, mad, insane) |
| one short of a dozen(expression, crazy, mad, insane) |
| out of one's head(expression, crazy, mad, insane) |