roll the bones
Cast dice, especially in the game of craps, as in Let's go to the casino and roll the bones tonight. This slangy term was first recorded in 1897, but the noun bones has referred to dice since the late 1300s (Chaucer used it in The Pardoner's Tale).
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.