Sentence:  Romeo said he was excellent in math, although when I gave him a math percentage problem, he couldn't do it, because their 3-hour a day tutorhadn't gotten them that far, yet. I'm such a devil, but they were gracious little "<WSD>something-somethings</WSD>" the whole time. 
Meaning of the word marked with <WSD> tags:  A so-and-so.