CHUNK

I. noun Etymology: perhaps alteration of chuck short piece of wood Date: 1691 a short thick piece or lump (as of wood or coal), a large noteworthy quantity or part , a strong thickset horse usually smaller than a draft horse, II. verb Etymology: imitative Date: 1890 intransitive verb to make a dull plunging or explosive sound , transitive verb to mishit (a golf ball or shot) by striking the ground behind the ball