The name All-American Reject was made from either a mix of two suggestions , `` The Rejects '' and `` The All Americans '' or the other being that it came from a song `` Reject '' by Green Day and had the chorus , `` a reject , all american '' . The name has two different theories on how it was made , one being a mix of two suggestions , `` The Rejects '' and `` The All Americans '' . The other being that it came from a song `` Reject '' by Green Day , with the chorus , `` a reject , all american '' .