The Most Wonderful Time of the Year is followed by the worst. Cold and dark and long and bleak — and it's inaugurated with strange music. After a season of familiar songs with their messages of jingle hope and jangle peace, there's only one tune, and it's incomprehensible.
Should auld acquaintance be forgot and never brought to mind.
I don't know, should it?
There are some people I'd be happy to never recall again. There was a kid who beat me up in fourth grade while he was on crutches. He's high on the list. But chances are these auld acquaintances have already been forgot, especially if you owed them money.
Next line: Should auld acquaintance be forgot, and auld lang syne.
Everyone sings this and hardly anyone knows what it means. It's like going to church on Christmas and singing "Farbing das Gaelbelungun Krong!" every year of your life. The auld we get, but lang syne?
"For the sake of old times" is the generally accepted meaning, although it can mean "old long since" or "a long, long time" or "way long ago" or "last Tuesday between 3:02 and 3:15 p.m." (Experts differ.)
None of this is a surprise, really. You intuited what it's about. The latter verses that no one sings get a bit more confusing: