Join the club Definition 1 of 2Pro Tip 1/3Empathy Signal Indicates shared experience or feeling, often for commiseration. Had a tough day at work? Join the club! Pro Tip 2/3Casual Tone Used informally among friends or peers, not in formal discussions. You're feeling hungry already? Join the club! Pro Tip 3/3Common Ground Helps to quickly establish a shared connection or problem. You don't understand this math problem? Join the club, let's figure it out together.