Poxy is an informal word used to call something rotten, lousy, or worthless. It is based on the literal sense of poxy, meaning that someone has the pox (either syphilis or smallpox).

Is poxy a swear word?

Poxy is simply a swear word but it is a swear word that is always used in the negative and it is often associated with illness as it originates with the dreaded small-pox. You would never use poxy to describe a good thing .

Is poxy an Irish word?

It can refer to anything, but is commonly used to describe the weather in Ireland. For example, “It's absolutely manky out.” Similar to the one above, “Poxy” is a term to describe something that's either not great or not working. It can also be used as a replacement of a curse word.