Military drill performed repeatedly on a barrack square.
〈英，非正式〉（在军营训练场上反复进行的）军事操练
Example sentencesExamples
I've done my years of square-bashing and rifle-toting.
Peacetime National Service lasted from 1945 until 1963; for every man who was called up into the Royal Navy, 12 served in the Royal Air Force while 33 ended up square-bashing in the army.
But it is not all about square-bashing - in that sense the programme has changed remarkably in the past ten to twelve years.