to break down or burst due to freezing (as a water pipe, pump, etc.); to break down, especially due to stress or overuse; to fail, to come to nothing; to die, especially suddenly and due to exhaustion or stress; to collapse due to exhaustion or stress; have a nervous breakdown
to think one's shit doesn't stink; to think the sun shines out of one's arse; to think one is the shit; to think one is the business; to think one is hot shit (to be full of oneself)