You might enjoy this site with clips from student papers
Some highlights:
"We were as close as two pees in a pot."
"The rebel and onion armies showed grose negligence by having many of their battles right inside national parks, like Gettysburg."
"It was started by some famous dead guy."
"Indians, the other dark meat, were saved from extinction by the humanitarian, Andrew Jackson."
"Frederick Douglass coped with his anguish by hopping."
"Steinbeck always wrote with a porpoise."