Noun
A pain in one's side.
- Examples
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More examples (1)
I stopped at the drugstore for the ice cream the twins wanted and when we got back to Otter Hill, we found the women in throes of anxiety over Mickey, who had suddenly come down with a violent sideache.
I've got this sideache you wouldn't believe, and you're the only excuse I'm going to get to quit running.
When one is in the race he tries to make a good showing, sideache or no sideache.