прикинуться шлангом(e.g. My husband looks at the mountain of dirty dishes and zones out. Like he doesn't know what to do with them! – // by Michele Berdy (2012))
отключаться(I'm sorry, I must have zoned out for a minute. What was it you were saying? – Простите, я должно быть отключился на мгновение. Что вы говорили?Taras)