n (obviously Irish school slang of the 1910s): staying away from school without permission, playing hookey, playing truant.Eg.: We often planned a miching for the whole day if we did not want to do our preparations for the classes.
With Leo Dillon and a boy named Mahony I planned a day's miching. (James Joyce: Dubliners, Penguin Books, 1998, p.20).
by Petyush March 27, 2005