In which situation can I use "Oh man"?
"Oh man" is an exclamation used to express disappointment or annoyance, in addition to excitement or enthusiasm. It always depends on the tone of voice. In this video, it has been used to express a feeling of being overwhelmed, as the list is so long that Emma Stone cannot even name them all. You can use this exclamation in casual conversation. Ex: Oh man! I won the lottery! (Excitement) Ex: Oh man, I'm late for work. (Annoyance)