You Fucking Donkey refers to a reaction image of Gordon Ramsay on Hell’s Kitchen saying the phrase. Oftentimes, it is paired with an image of Ramsay acting kindly to a child, demonstrating the disparity of someone’s kind behavior towards one thing and violent behavior towards another thing.
The line comes from Season 2, Episode 4 of Hell’s Kitchen, where Ramsay says it to a chef who creates an intense fire in a pan (shown below).
On April 17th, 2019, the still was posted to Reddit by u/Saintrph to r/dankmemes in a joke about Shrek] gaining over 38,000 points (shown below, left). On October 2nd, another variation about Shrek was posted to r/memes by u/JojoJoker102, gaining over 49,400 points (shown below, right).