Went quickly or went unencumbered. May have to do without the old idea of having an account or owing money... having a slate, and maybe this the idea of being free from debt...
This is a very, very common thing amongst Irish people when describing a person, place or thing. Because sometimes we can't articulate how large or small an object is, or the skin tone of an individual or even the heat of a local curry dish - we use this a lot! We basically just say the word twice and the person who gets the info knows exactly what we mean by tone alone.
An acronym for the phrase "Come On You Boys in Green" (C.O.Y.B.I.G.) in reference to a phrase uttered at Republic of Ireland soccer matches in support of our players.