Scours

n.

Heard in Wicklow and Wexford

A bad dose of the trots, otherwise known as diarrhoea, usually leading to a ring of fire.

In use

Aw man, dat's de worst dose of the scours I've ever had, me hoop is quern sore, and I've just pebble dashed the porcelain throne!

Posh English

That is the most frightful bout of dysentery I have ever experienced.

Same phrase, other counties