Sentence:  “[…] We saw him vanish right in front of the rest of us. He was there and then he wasn't. We were to wait for a year for his return or for some message. We waited. Nothing.” / Calvin, his voice cracking: “Jeepers, sir. You must have been in sort of a <WSD>flap.</WSD>” 
Meaning of the word marked with <WSD> tags:  A controvery, scandal, stir, or upset.