You may have come across LOL Catz or I can has cheez burger. You will have come across it if you read the blog of Mulier Fortis. OK then, here's a good example.
Now Jeff Geerling has started up LOL Saints in response to a post by the Curt Jester. This reminds me of looking at the ducks on the pond at Chislehurst today - skating on thin ice. Its bound to offend someone sooner or later. Anyway, here's one that made me laugh: