Smooch/smuːtʃ/ Definition 1 of 2Pro Tip 1/3Intimacy Indicator Used to express close affection, typically in private or intimate settings. After their vows, the newlyweds shared a tender smooch. Pro Tip 2/3Often Playful Can suggest a playful, flirtatious action, less serious than a passionate kiss. She left him a playful smooch on the cheek. Pro Tip 3/3Public Perception May be considered inappropriate in formal or public situations depending on the culture. Their public smooch caused quite a stir at the formal event.