The reposts on reddit.
You sand it!
You can't unload sand with pitchforks.
I don't know, this is the first time I've logged onto Reddit, today.
Ten. (Shame this one doesn't work too well for reddit - the funniest part of this joke is the third punchline enjoying people struggle to understand what the hell you're talking about.)
It must be heredditory.
3. One to screw it in, the next to claim credit and the third to be a bot that reposts.