go out of the window - vyletět oknem / "jít do kytek"
1. As preconceived questions began to go out of the window, Gwyneth's interviews became more well-rounded. (Google)
2. If I was out, and I was taking E., everything else would go out of the window, and I would just party and have a good time, and the rest of it. (Google)
3. If I eat just one slice of pizza, my whole diet will go out of the window. (Google)