An adult is a person who makes noise when they stand up. Posted on5 months ago3 months ago by slickboy in Funny Quotes FacebookXPinterestRedditLinkedInEmailWhatsAppAn adult is a person who makes noise when they stand up. Related Funny Quotes 🤝 I don’t want to stand, Apple Watch. You stand. When you’re a child, you want to be a teenager. When you’re a teenager, you want to be an adult. When you’re an adult, you want to be a cat. I wanna meet the person whose parents are super disappointed he went to medical school instead of becoming a stand-up comedian. 50% of parenting is just trying to decide if that noise is worth walking up all of those stairs. Pretty sure the inventor of noise-canceling headphones had a young kid trying to learn an instrument.