Context: I went around work all day today with a hole in my pants, right on my bottom. Nobody told me until I was leaving. I have no idea how many people noticed!
Speaker 1: I went around work all day today with a hole in my pants, right on my bottom.
Speaker 2: Ahhhh! I've done that before, but I noticed it quick.  Did you not know til the end of the day?
Speaker 1: Yep! No one told me. :( I have no idea how many people noticed or saw it. 
Speaker 2: That's embarrassing, ah, I'm sorry.  Just play it off tomorrow at work! 