Shoot one's cuffs - Idioms by The Free Dictionary
shoot (one's) cuffs (redirected from shoot one's cuffs)
shoot (one's) cuffs
To flaunt something. Displaying one's ornate or elaborate cuffs was a common practice among medieval noblemen. I know you're happy about your promotion, but try not to shoot your cuffs, OK?
shoot your cuffs pull your shirt cuffs out to project beyond the cuffs of your jacket or coat.
References in periodicals archive
To shoot one's cuffs
is quintessentially British; the act of briskly extending an arm, grasping one's shirt cuff from under one's jacket sleeve and yankin' it into proper position, rapidly followed by shooting the other cuff.