a long minute - A time period so long it might as well be a decade, but with

A time period so long it might as well be a decade, but with less actual math and more actual suffering.

Waiting for my turn at the DMV was a long minute. I might as well have been in a prison for dogs.

My brother's been playing video games for a long minute. I think he's trying to beat the world record for laziness.

I've been waiting for my coffee for a long minute. It's longer than my life and my dreams.