I. ˈchəŋk noun
Etymology: perhaps alteration of chuck short piece of wood
Date: 1691
1. : a short thick piece or lump (as of wood or coal)
2. : a large noteworthy quantity or part
bet a sizable chunk of money on the race
3. : 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
the rhythmic chunk ing of thrown quoits — John Updike
transitive verb
: to mishit (a golf ball or shot) by striking the ground behind the ball