1. Yeah, right. 2. You're kidding. 3. You're pulling my leg. 4. That's a bit of an exaggeration. 5. He's stretching the truth. 6. He's not telling the whole truth. 7. She's being economical with the truth. (= she's lying or not telling the entire truth) 8. His story is fishy. 9. That's an outright lie. 10. That's a pack of lies.
Known as the Wal-Mart heir, and operating as the CEO of his family's Arvest Bank which operates in major cities ; it can be easily calculated how Jim Walton breaks the billionaire barrier. He and his family have also contributed generously to Walton Family Foundation, and was a supporter of Mitt Romney during the presidential elections.