Scary pop-out
From Screamer Wiki
Scary pop-out is a screamer video uploaded to YouTube in 2008 by the user Abdul Rashid. It's also a screamer that wasn't well received due to its rather poor execution (evidenced by the comments being turned off).
Video
We start with a text reading Find the giant. Afterwards, it shows us a photoshopped image of an old classroom featuring all the students and the teacher; one of the boys in the back is noticeably enlarged. Shortly afterwards, an image of a man with Gollum's face and a screaming monkey appear with an audio clip of the Angry German Kid screaming.
Link
NOTE: The following video contains a screamer.
youtube.com/watch?v=XW8jPpXtIac