fridge
Explanation
The Joke
A man stands in front of his open refrigerator, looking inside. In the first panel he says: "I need something from the fridge." The second panel reveals the fridge contents: "There are good things in it. Like a lot of stuff I have done and the whole interior seems..." He trails off as he contemplates the fridge further.
The key joke is in the contrast between what the man needs and what the fridge offers. He notes that his "only hope is to only look at the good things, ignore the terrible, and pretend to have standards nothing more." The fridge then speaks back to him: "I need to return the fridge." Someone asks "Why?" and the man answers: "It started embodying my sense of self."
The fridge has become a metaphor for the man's own psyche -- a collection of random items, some good and some expired, none of which constitute a proper meal, much like a life filled with scattered accomplishments but no coherent purpose.
The Humor
The comic uses the universally relatable experience of staring into a poorly stocked refrigerator as a vehicle for existential crisis. Everyone has opened their fridge hoping for something satisfying, only to find a collection of condiments, leftovers, and things of uncertain age. The escalation from a mundane kitchen moment to a full-blown metaphor for the human condition is quintessential SMBC humor. The punchline -- that the fridge needs to be returned because it has started "embodying my sense of self" -- turns the metaphor literal, suggesting the man's identity crisis is so powerful it has infected his appliances.