1. cave in - Noun
2. cave in - Verb
3. cave in - Phrase
break down, literally or metaphorically
the sudden collapse of something into a hollow beneath it
Source: WordNetcave-in
If my world were to cave in tomorrow, I would look back on all the pleasures, excitements and worthwhilenesses I have been lucky enough to have had. Not the sadness, not my miscarriages or my father leaving home, but the joy of everything else. It will have been enough. Audrey Hepburn
No poet is ever completely lost. He has the secret of his childhood safe with him, like some secret cave in which he can kneel. And, when we read his poetry, we can join him there. Peter Ackroyd
And he whose soul is flat -- the sky Will cave in on him by and by. Edna St. Vincent Millay
If I was influenced by anything, it was architecture: structure having to do with logic. If you don't do it right, the whole thing is going to cave in. In a certain sense, you can carry that to graphic design. Fortunately, however, nobody is going to die if you do it wrong. Paul Rand
War is the remedy our enemies have chosen. Other simple remedies were within their choice. You know it and they know it, but they wanted war, and I say let us give them all they want; not a word of argument, not a sign of let up, no cave in till we are whipped or they are. William Tecumseh Sherman
I keep waiting for the roof to cave in. I was raised to follow the Golden Rule, you know, treat people the way you wish to be treated. That's kind of the way I live my life. Maybe someone up there likes me for that. Matt LeBlanc