A Slytherin, a Hufflepuff, and two Gryffindors were in class one day,

Said the Slytherin to the Gryffindors, "Stop studying!! Let's play!"

So the Gryffindor's began to giggle,

And the Slytherin started to wriggle,

"Get your minds out of the gutter!!! I did not mean it that way!!"