Why this word is great
HIBERNIANISM — [Noun] An idiom or mode of speech peculiar to the Irish. From Hibernian (pertaining to Ireland, from Latin Hibernia, "Ireland") + -ism (denoting a distinctive practice or characteristic). Unlike "Anglicism" (a borrowing from English into another language) or "Scotticism" (a Scottish linguistic quirk), Hibernianism is the fingerprint of Irish speech—unmistakable, melodic, and defiantly local. It is the lilt of "I will, yeah" meaning emphatic refusal, the sly substitution of "your man" for any third party, or the way "grand" can mean anything from "passable" to "catastrophic" depending on the tilt of the speaker's chin. Language here is not just communication but a shared wink, a coded resistance to the flattening tide of global speech.