What’s Behind ‘teensplaining’? Scientists Should Study This Adolescent Behaviour Adolescents have long been stereotyped in literature and science as being impulsive and emotional. One aspect of their unique communication style has attracted attention in popular culture: ‘teensplaining’. Similar to mansplaining, when a man condescendingly explains things to a woman regardless of her expertise, it involves youths assuming they know more than adults do (often, parents and teachers) and teensplaining things in a disrespectful tone. The authors declare no competing interests.