bolt to the bran
To examine thoroughly, so as to separate or discover everything important.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“You need to bolt to the bran to find the truth.”
“I bolt to the bran each job application to find the best candidate.”
“She bolts to the bran to understand the difficult instructions for the new machine.”
“The investigators had to bolt to the bran to uncover the hidden errors in the financial report.”
“Before we sign the contract, the legal team will bolt to the bran every clause to ensure we are fully protected.”
“The mechanic had to bolt to the bran to figure out why the engine was making that strange clicking sound.”
“The historian spent years in the archives, determined to bolt to the bran every detail of the forgotten treaty.”
From the verb bolt, meaning to sieve or to sift, a term derived from the mechanical process of separating flour from the coarser husks of grain. To bolt to the bran describes the act of sifting a matter so thoroughly that only the refuse remains, a metaphor drawn from the milling industry’s habit of passing meal through a cloth or sieve until the finest particles are removed.
- 01
bolt bucket
A machine, especially an automobile. Implies that the machine is clunky or unreliable.
- 02
bolt from the blue
A complete surprise; something totally unexpected.
- 03
bucket of bolts
A piece of machinery that is not worth more than its scrap value, often an old car.
- 04
close the stable door after the horse has bolted
To attempt to prevent a problem that has already occurred; to design and implement a preventive mechanism that is too late (after the first failure instead of before).
- 05
nuts and bolts
The basic inner workings of something; the fundamentals; that which makes something operate.
- 06
shoot one's bolt
To use up one's resources, especially a singular one or one not readily restored.
Last updated August 10, 2026