(This is a really simple, really short, really stupid one-shot story.
The characters belong to JK Rowling but the plot belongs to my friend Seb who randomly came up with this last night whilst celebrating my 19th birthday!)
Harry Potter grinned as he took out the Penis Wand.
"Ejaculatus!" He cried as he thrust the wand back and forth in the air.
Suddenly all the girls in the classroom were pregnant.
"Who's the monster daddy?!" said Harry.
(The end!)