Courage; audacity; guts: But I had the brass balls to hold out for a piece of the action (1960s+)
The brass balls are shown at A, and beneath them the flat plate B, which acts as a reflector.
He turned up a number of brass balls which he gave to Chief.
It seemed as if the brass balls on the iron fence shone brighter than ever because he had come.
Narrow flights of steps with wrought-iron railings, topped here and there with brass balls, led to the two doors.
Flashes were coming brightly in the spark-gap between the two brass balls of the home-made apparatus.
At their upper and lower ends respectively the earth and aërial wires terminate in brass balls separated by a gap.
When these are connected properly, the closing of the circuit with the key will cause sparks to jump between the brass balls.
With a sudden jump, the performer seated himself in this bowl and caught twelve brass balls thrown up to him.
The villagers thought the brass balls were magic stuff and as perishable as smoke.
Anyhow, Syd turned on 'Patsy' and let him have both tusks, brass balls and all, right through the body.