Find out at the link.

Wikipedia has a a page called “Bad Jokes and Other Deleted Nonsense” - dumb humour that was deleted off. Wonderful!

A comprehensive list at the link.

Er. Yes. And a few more at the link.

The link has more madness.

From signs to gaffes, here’s all of the world’s stupidest stuff covered for you. Though I just wish the page was better designed.

And how to fix them.

THIS is probably the better of the list. See the others at the link.