Have a go Definition 1 of 3Pro Tip 1/3First Attempt Used when someone tries something for the first time, often informally. I've never driven a manual car, but I'll have a go. Pro Tip 2/3Encouragement Often used to encourage someone to try without fear of failure. Don't worry about being perfect, just have a go at it. Pro Tip 3/3Casual Participation Suggests a laid-back or casual attempt, not too serious or committed. I'm not a pro, but I'll have a go at playing the guitar at the party.