If you chuck something out, you throw it away, because you do not need it or cannot use it. Many companies have struggled valiantly to use less energy and chuck out less rubbish. = throw away
If a person is chucked out of a job, a place, or their home, they are forced by other people to leave. Any head teacher who made errors like this would be chucked out I was chucked out of my London flat in 1960 Her parents are going to chuck her out on the street