(informal, figuratively) to rack one's brain, to cudgel one's brain

break the bank

(informal, by ellipsis) to shut up (refrain from speech)

(driving) rules of the road, traffic code, traffic regulations, Highway Code

(informal) to be lucky, to be jammy, to be fortunate

(vulgar) to be damn lucky, to be jammy, to be a jammy git

(Louisiana, Cajun, informal) shut up!

(informal) to do a bunk, to take French leave, to skip town, to show a clean pair of heels

(informal) to be quick on the trigger, to be trigger-happy

(informal, by ellipsis) to shut up (refrain from speech)