I’m wondering how many jokes can be condensed to just four words or less. Here are a couple that I’ve cut down to just a few words:
Being superstitious is unlucky.
Counterfeiters make money.
(Jokes don’t need to be made up by you - I didn’t invent these, I just condensed them.)
Any more examples?
No soap, radio.
Military intelligence - isn’t.
nm. Maybe too political.
Number 6.
Blonds are ditzy.
<Nationality> don’t understand technology.
Green side up.
LOL!
Unidentified insect bites, flees
Credit: Jimmy Carr
Venison’s dear, isn’t it?
Mooning is lunacy.
…walks into a bar. 
Are Calvinist ministers pre-ordained?
I’ve got to remember that one.
Pull my finger.
Rectum? Damn near killed’m.
That’s what she said.
Original to me, no less.
That is five words.
Forwards, oarless? No way.
Don’t call me Shirley.
Velcro - what a rip-off!
Credit - Tim Vine.
I think it won joke of the year at the Edinburgh Fringe a few years ago.
New word invented: Plagiarism