Warning: doing this prank raises your chances of being dumped by about 500%.
The video's author, James Williams, stated in his description, "I don't think I've ever seen a mouth open so wide screaming."
We're sorry to report to you that Derp will no longer be actively posting new content starting this Wednesday, November 21. Don't fear, however! This site will remain open, and Memebase will continue to post great derp content. Hope you enjoyed your time herping 'til you derp here, and we'd like to thank you for all the great times!