Something that's full of little lumps and bits is chunky. Some people are crazy about chunky peanut butter, while others prefer it to be smooth and creamy.
Some kinds of soup are chunky, with hunks of potato and pieces of broccoli, and you can also make a chunky spaghetti sauce that's full of tomato bits. When a person is described as chunky, it means they're dense and thick-bodied, and sometimes quite muscular. Chunky is an American English word, from the sense of chunk as "a thick piece of something,"