* There's a spelling error: Could you double-check the spelling? Even a slight change could make a big difference in meaning.
* It's a dialectal word or phrase: Irish Gaelic has many dialects, and some words or phrases might only be used in specific regions.
* It's a newly coined word or phrase: It's possible the phrase is relatively recent and hasn't been widely adopted.
If you can provide more context (where you encountered this word, the surrounding sentence, etc.), I might be able to offer a better guess at its meaning.