Could be kids coming of age who had parents who were themselves raised on (in particular) British comedy. In my own case it would be the inestimable influence o

Could be kids coming of age who had parents who were themselves raised on (in particular) British comedy. In my own case it would be the inestimable influence of Monty Python. Younger adult Americans's parents maybe quoted the Parrot Sketch, or offered to give their kid lupins when they were ill, or perhaps demanded a shrubbery if they don't want to do their chores.