Sighpalm
The point where something so stupid make you hate life at the same time, meaning you need to sigh AND facepalm at the same time.
Person 1: So what did you get in the exam?
Person 2: You already know this!
Person 1: Oh yeah! You failed didn't you?
Person 2: *sighpalm*
Person 2: You already know this!
Person 1: Oh yeah! You failed didn't you?
Person 2: *sighpalm*