Would greatly appreciate it if anyone can give info or source this short gif, or identify the guy.

https://64.media.tumblr.com/473234db9375fc4927c591bb86d1b2a6/d494879428488b83-f7/s540x810/2a496e1faa24b92885e8563f0e4373f93f725068.gifv

This came from this tumblr post: https://www.tumblr.com/blog/view/sacek-meatlover/687958678268215296?source=share

and I'm following the notes but so far, no one has commented on a source yet.