Ethel expressed an interest in seeing a video that I described using in my classroom years ago back when I taught 10th grade geometry., so I'm posting this here for her:
https://www.youtube.com/watch?v=sEBgawAsyMY
This isn't atheist-themed and may not be funny to non math nerds; my students teased me mercilessly about my entertainment preferences, however they readily acknowledged that viewing a geometry rap music video was a superior alternative to taking a pop quiz.