| become demented(expression, decline, fail, crack, collapse) |
| become insane |
| become psychotic(expression, decline, fail, crack, collapse) |
| blow a fuse(expression, idiom, decline, fail, crack) |
| break down(expression, yield, crack, collapse, disintegrate) |
| collapse(decline, fail, yield, crack, disintegrate) |
| come apart at seams(expression, idiom, decline, fail, crack) |
| crack(verb, collapse, lose, disintegrate) |
| crack up(verb, expression, break, yield, crack) |
| decline(fail, crack, collapse, disintegrate) |
| derange(decline, fail, crack, collapse, disintegrate) |
| deteriorate(decline, fail, crack, collapse, disintegrate) |
| fail(decline, crack, collapse, disintegrate) |
| flip out(expression, decline, fail, yield, crack) |
| freak out(expression, decline, fail, yield, crack) |
| go crazy(verb, expression, decline, fail, yield) |
| go nuts(expression, decline, fail, yield, crack) |
| go off deep end(expression, idiom, decline, fail, crack) |
| go off rocker(expression, idiom, decline, fail, crack) |
| go out of mind(expression, idiom, decline, fail, crack) |