In the cine-essay The Pervert’s Guide to Cinema, popular Lacanian cultural critic and philosopher Slavoj Žižek makes the point that toilets are a rather loaded symbol, a kind of terrifying portal to some secret and disgusting underworld and cultural subconscious that we know exists yet want desperately not to think about.

Following that logic, bathroom signs are something like the obnoxious and hilarious friend who says all the gross stuff everyone else only thinks. NextRound’s listicle of 14 Hilariously Necessary Bathroom Signs, therefore, is both extremely funny and extremely gross for continually stating the obvious (see sign at right).