Bringing a fitted sheet to a knife fight. Commentary:"Trying to bring a fitted sheet to a knife fight is like showing up to a gun show with a water gun 💦💪 Talk about being unprepared! You might as well bring a pillow to a pillow fight. Sweet dreams, I guess! 😄🔪" Related Funny Quotes 🤝 I don’t need to bring anything to a knife fight, because I don’t go to knife fights. Being an adult is like folding a fitted sheet. Just said “shitted feet” instead of “fitted sheet” in front of my my son and his friends. If you need me, I’ll be in the closet. I lied. There’s no sex. Can you help me put this fitted sheet on my mattress? Women are like a fitted sheet. No matter what you do or how hard you try, they just never seem to cooperate.