I'm going to have to give you a duh on that!
When someone says something so obvious it makes you want to scream and tell them to shut up.
'I didn’t do my homework because I was busy', said by the kid who had time to play video games all week.
'I failed the quiz because I didn’t know the answers', said by the person who never studied.
'I got a bad grade because I was tired', said by the kid who stayed up until 3 a. m. watching TikTok.'