Chlöe Swabrick responds with a quick "OK BOOMER" to a heckler regarding the average age of parliament members as well has her young age and how she doesn't have the luxury of not worrying about the damage caused in the next few decades from climate change.

Chlöe Swabrick, who belongs to the Green Party, silenced a fellow member of the U.K. Parliament by saying, "OK, boomer" – a phrase adopted by millennials to call out people from the baby boomer generation.