When I was younger this was a huge misheard lyric to me. I thought it said "non to non and loop to loops". I have no idea what that was supposed to mean but that's what I heard.
An old dying Irishman asks his life long friend and drinking buddy a favor. Knowing his time was near, he asked "when I die will you find the finest bottle of Irish whiskey that money can buy and pour it over my grave?"
His friend, slightly confused, said "seems like a great waste of perfectly...