Losers. You haters are a bunch of losers. This is an original idea and that's all that matters. In this age devoid of original ideas, where most everybody copies what they see on TeeVee, this is something contrasty, this is being alive.

This is social commentary. Our walls are dirty, we are dirty, he's writing "WASH ME" on the hood of a dirty car using his finger, only this refers to humanity in its current incarnation.