In beer pong, otherwise known as beirut, depending on the rules (either 6 cup or 10 cup) you are allowed one or two re-racks, respectively. You call for a re-rack when you have 6, 4, 3, 2 or even 1 cup left for a better formation. You cannot call a re-rack until it is your turn to shoot, and you can't call one if you or your partner shoots. It has to be the very beginning of a turn.

When you eat dirt for the first time and leave your family to build a shack in the woods

To go back to sleep in the morning after arising early; particularly after a hard night.

When you wake up early, eat, get some things done and then go back to sleep for another 2 hours.

refill your cups to run back beirut/pong

The act of wiping your ass while the toilet paper is still on the roll, and then re-rolling it back up for the next unsuspecting user.

Verb: To go back to bed or to take a nap. A term originating aboard sailing ships where beds are sometimes referred to as "racks".