LUCK OUT

v. phr. , slang , informal 1. Suddenly to get lucky when in fact the odds are against one's succeeding. I was sure I was going to miss the train as I was three minutes late, but I lucked out, the train was five minutes late. 2. To be extraordinarily fortunate. Catwallender really lucked out at Las Vegas last month; he came home with $10,000 in cash. 3. (By sarcastic opposition) to be extremely unfortunate; to be killed. Those poor marines sure lucked out in Saigon, didn't they?