Hooky /(ho͝ok"y̆)/

Hook·y

Hooky

a.
  1. Full of hooks; pertaining to hooks.

Hooky

n.
  1. A word used only in the expression to play hooky, to be truant, to run away; -- used mostly of youths absent from school without a valid reason and without the knowledge of their parents. Also (figuratively and jocosely), to be absent from duty for frivolous reasons.
    This talk about boys . . . playing ball, and “hooky,” and marbles, was all moonshine.