crack open

Verb

 * 1)  To open (a bottle, can, etc. of drink, especially alcoholic drink), especially in order to celebrate; also extended to other packaged items.
 * Let's crack open a few beers and get the party started.
 * After Christmas dinner we cracked open a box of chocolates.
 * 1)  To start reading (a book).
 * I cracked open the fossilised rock with a hammer.
 * I cracked open the fossilised rock with a hammer.