Bilston - (Black Country) Skiving

Barley -which is of course a corruption of Parley or Parlez = talk

The book you need is Peter and Iona Opie - 'The Lore and Language of Schoolchildren' some fascinating stuff - it shows how the truce terms are found in groups according to the region of the country
Also see; http://en.wikipedia.org/wiki/Truce_term
Dave Hunt