This is slang for a roll in which the dice are continually passing and are held by the shooter for a long period of time.

When a shooter plays for a long time without hitting a 7.

Dice that are continually passing, and that are held by a shooter for a long time before a seven-out.

That's when a crew in the field doesn't have enough time to feed back tape to the newsroom, so they must roll it from the live truck during the show. (Connors)