In a similar vein, if you haven't watched a pop-pop boat circumnavigate your bathtub, you haven't lived. https://en.wikipedia.org/wiki/Pop_pop_boat https://en.

In a similar vein, if you haven't watched a pop-pop boat circumnavigate your bathtub, you haven't lived. https://en.wikipedia.org/wiki/Pop_pop_boat https://en.wikipedia.org/wiki/Pop_pop_boat