Definition
To go to war; to use ruthless tactics; to act without restraint.
Origins
From Mario Puzo's gangster novel The Godfather (1969). Those involved in such a conflict might be expected to stay in hideouts where they would sleep on mattresses rather than in beds.
In Context
- "I want Sollozzo. If not, it's all-out war. We'll go to the mattresses."
- "They will have to go to the mattresses; that is they will have to risk a long ugly strike."
- "Now, when you're fighting Republicans . . . Democrats are all rallied around and ready to go ahead and go to the mattresses."