pandy bat noun1 •(Ireland, historical) (originally) a stout leather strap reinforced internally with whalebone or even lead, and used at Jesuit schools to inflict corporal punishment on pupils by striking the palm; (latterly, sometimes) more loosely applied to any punishment batThe soutane sleeve swished again as the pandybat was lifted and a loud crashing sound and a fierce maddening tingling burning pain made his hand shrink together […] — 1916 formspandy bats · pandy-bats