Zit/zɪt/ Definition 1 of 1Pro Tip 1/3Colloquial Usage Used informally among friends or in casual conversation, not in formal settings. Could you believe it? A zit appeared right before the party! Pro Tip 2/3Emotional Distress Often mentioned with annoyance or embarrassment, especially among teenagers. Ugh, this zit is ruining my prom photos! Pro Tip 3/3Common Teen Issue Typically associated with adolescent skin problems but can occur at any age. My sister is in her twenties and still deals with the occasional zit.