1. in. to empty one’s stomach; to vomit. (Collegiate.) The cat chunked all over the carpet.
2. in. to do badly; to blunder. Sorry. I really chunked on that last deal.
3. n. a gun considered as a chunk of iron. (Underworld.) You carrying a chunk?
4. n. a fat or stout person. Billie’s getting to be such a chunk!