I'm going to have to give you a duh on that!
When someone talks like they’re the smartest person in the room, but everyone else is just rolling their eyes.
'I didn’t do my homework because I had a bad day', said by the kid who missed every class.
'I got a bad grade because I was distracted', said by the person who was texting the whole time.
'I failed because I didn’t know the stuff', said by the person who never showed up to class.'