Wiktionary
up and left
vb. (en-past of: up and leave)
Usage examples of "up and left".
I suddenly realized why it was that the workmen packed up and left so early every day.
But when David Michael was a baby (he's seven now), Kristy's dad just up and left.
He kissed Angela lightly before he stood up and left the boutique to talk with the centaurs.