Extended Family and Frito

Lately I have been smothered by extended family, not much else has been going on except for more work.  New people keep coming into work and I found out the newest manager is officially the biggest neat freak I have ever seen.  He got mad at me for not wiping off the silver part that slopes into the trashcan hole.  I was annoyed because he made me stay after for 2 hours yesterday until the lobby got to be HIS definition of clean.  I ended up doing part of his job yesterday and being annoyed that he deemed my time to be much less important than his. Let's call him "Frito," mainly because I really want some Fritos right now and his voice reminds me of the Frito Bandito. Frito proceeded to tell me that the day before I had apparently left the lobby dirty, and said he would be checking behind me before I left.  The only way he could have made this insult worse was the fact that he was telling me this in a crowd.  I let it go, then proceeded to do as he asked, sweeping every square inch of the carpet, then came for him to check the lobby, waited for him to finish his conversation with a friend of his.  Frito looked right at me and ignored me as he kept on talking, I waited 2 more minutes before walking off to do something else, getting even more pissed.  I work my butt off then get treated as if I'm worthless?  I don't think so.  What are your thoughts on this, what would you have done, if not let it go?