Skip out Definition 1 of 2Pro Tip 1/3Quick Departure The phrase suggests leaving a place or situation swiftly and often secretly. When the party got boring, he decided to skip out. Pro Tip 2/3Negative Implication Using 'skip out' can imply irresponsibility or avoidance of duty. My coworker often skips out on doing his fair share of work. Pro Tip 3/3Colloquial Usage It's commonly used in informal contexts and might be inappropriate in formal writing. He plans to skip out after lunch, so don't count on him.