Has there ever been previous "haha funny sex/drug meme" numbers like 69 and 420 in the past? Were ancient Roman kids giggling every time 17 came up, or Sumerians over 190?

by semi-bro
Twenty26six

In lieu of another answer, you may find this response by u/gerardmenfin interesting.

As an aside, you might find this of interest: http://ancientgraffiti.org/Graffiti/

There's some saucy zingers there.