Sometimes a school prank is so perfectly executed, so exquisitely put together, you need to let it marinate for a few years.
In the case of San Francisco's Palisades Charter High School: 12 years.
In 2004 a student was able to leave their mark solidly on the school by designing the front cover of its graduation program.
Now you’re a teenager. You’ve just been handed an awful lot of responsibility. What do you do?
Activate: Troll Mode.
The teenager designed the program with a smiling dolphin emerging from a pool – like the school’s logo – with one difference.
They hid something somewhere in the design, of course:
Did you see it? Maybe if you squint your eyes and turn your head?
If you've had enough, scroll down and we'll show you where it is:
And if you still can't see it, here it is, in NSFW style:
Whoever you are; wherever you are...