One, but you can be sure a whole Reddit community will appear to expand the joke, make it funnier and eventually run it into the ground.
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Matt
Because they're practicing to be men.
He goes to a bar and slips somebody a Rupee, then gives them a Franc and some Deutsche Marks.
A tachyon walks into a bar.
Repost)
Everybody hates Pilipinos.
At oh-my-goodness! Skip
At the SPACE BAR! reddit is fun! I'm staring at the keyboard tryin' to think up a joke and voila'!
A criminal record.
Dark humor... I hate it when black people tell jokes.
Terror wrists.
Sure, you know how it works, but now it's dead.
Because attachments are forbidden
Because he higher and higher. (I translated the joke from Dutch, and yeah it's supposed to not make any sense, it just sounds funny, in Dutch at least. :-$)
You can sense his presents.