The 'Shrek in a Mud Bath' meme stems from the opening sequence of the 2001 DreamWorks hit movie 'Shrek,' where the titular ogre indulges in his unhygienic but satisfying morning routine. It captures the essence of finding bliss in circumstances others might find repulsive or messy. On the internet, the image is widely used to represent introverts enjoying their solitude, people reveling in 'gross' habits, or the feeling of complete relaxation after a long day. It has become a staple for self-care humor, highlighting that one person's swamp is another person's paradise.