The Romans covered their public spaces with writing: advertisements, announcements, election endorsements, and just plain personal comments.
One of my favorites comes from the basilica in the forum of Pompeii. It’s a tiny poem on the topic of graffiti.
It reads as follows:
admiror, paries, te non cecidisse ruina,
qui tot scriptorum taedia sustineas. (CIL 4.2461)
“Wall, I’m surprised you don’t fall to pieces,
since you bear the dronings of so many writers.”
There’s a pun in “sustineas” which means both “put up with” and “hold up” (the English word “sustain” is a derivative). “taedia” is related to the english word “tedium”.