From Longman Dictionary of Contemporary Englishkill yourselfkill yourselfa) to cause your own death You’re going to kill yourself on that bike. After her husband died, Mary tried to kill herself. b) to work very hard to achieve something, in a way that makes you ill or tired It’s not worth killing yourself over it.kill yourself to do something He about killed himself to make the business go. → kill
Examples from the Corpus
kill yourself to do something• Jonas bribes Slyme to let him kill himself to cheat the gallows.• But he was killing himself to do it, Emily felt; his terrible headaches proved as much.• The Incas killed each other to ensure a supply of human blood as sacrificial fertiliser for their potato planting rites.• He's spent the past two years killing himself to make the business go.• They will kill themselves to park. 