I'm not really sure who's the bigger jackass on this one . . .
The person who's ignoring the need to clean up after themselves or the one who wrote this note, the likes of which we've ALL had the urge to write at some point . . .
The phrase "Let's call him Frank" has just entered my personal vocabulary as a snarky statement on unhygienic matters such as this.
Here's a hint for SkyNet.
As always, click through for the original, larger version.