Definitions
1.NounA part of something that has been separated; a generally squat, thick, irregular piece of something, e.g. wood or stone."The statue broke into chunks.; a chunk of granite"
2.NounA large or substantial portion of something.
3.NounA sequence of two or more words that occur in language with high frequency but are not idiomatic.
4.NounA discrete segment of a file, stream, etc. (especially one that represents audiovisual media); a block.
5.NounA segment of a comedian's performance.
6.VerbTo break into large pieces or chunks.
7.VerbTo break down (language, etc.) into conceptual pieces of manageable size.
8.VerbTo throw.
9.VerbTo add wood to a fire or to stoke it.
10.VerbDeal a substantial amount of damage to an opponent."He's chunked right before the next battle so he has to regen HP."
11.VerbTo remove a chunk from.
12.NounArchaic form of chank (“type of spiral shell”).