As sick as a small hospital

exp.

Heard in Sligo, Cork, Galway and Waterford

Very unwell indeed.

In use

I had an awful dose last weekend, I was sick as a small hospital." "Jaysus Joe I'm as sick as a small hospital these days!

Posh English

I suffered from a wretched affliction last weekend, and felt as exceedingly unwell as an infirmary.

Same phrase, other counties