You’re only young once Definition 1 of 1Pro Tip 1/3Embrace Opportunities Encourages taking chances and experiencing life fully while young. There's a concert next weekend – let’s go, you’re only young once! Pro Tip 2/3Fuel for Motivation Used to inspire action or to persuade someone to seize the day. I'm hesitating to study abroad but you’re only young once, right? Pro Tip 3/3Lighthearted Tone Often used in casual, friendly conversations, not in serious discussions. I bought these funky shoes. Why not, you’re only young once!