Please make it extra dirty with a side of dirty.
Because he knew his parents will make him return it.
When life's getting a little ruff...
In honor of the recent joke trends I ask you what is the dirtiest joke you know?
Want to hear a clean joke? Bob took a bath. With Bubbles. Want to hear a dirty joke? (Punchline hidden so you don't accidentally read)
Guaca**mole**y edit: how do I make it not say this joke is Dirty