Sentence:  The prefect was there again and it was his voice that was saying that he was to get up, that Father Minister had said he was to get up and dress and go to the infirmary. And while he was dressing himself as quickly as he could the prefect said: / — We must pack off to Brother Michael because we have the <WSD>collywobbles</WSD>! 
Meaning of the word marked with <WSD> tags:  Stomachache or stomach upset. (From 1823)