Interesting question. I suspect, people feel inclined to leave their mark in some way, even if it is anonymous. (Rather like dogs urinating on trees.) What they write or draw seems to depend very much on their level of sobriety at the time. read more
What makes toilet graffiti special, and worthy of its own entire category, is the uniqueness of the space in which people are writing. Public bathrooms are weird places. There’s a tension to doing private activities in a public space, with only the flimsiest of boundaries hiding some of our culture’s biggest taboos—genitals and bodily functions. read more