The image displays a large, white tank truck, typically associated with the transport of liquid or gas. It has a cab that is white in color with a side view mirror and the main body of the truck, which houses the tank, also appears to be predominantly white with some detailing in blue.
Upon closer inspection, the detail on the side of the tank reveals a humorous play on words. Although part of the text is obscured, it suggests that the truck is operated by a septic service, likely involving the pumping and transport of sewage material. This is also suggested by the cartoon image of a person carrying a toolbox and wearing a plumber's plunger hat, indicating the type of service the truck provides.
Below the image of the truck, there is a large caption in capital letters on a blue background that reads, "THAT GUY JUST STOLE ALL YOUR SHIT." This caption uses a colloquial expression for theft, which is humorously juxtaposed with the actual function of the septic service truck.
The humor in the image arises from the double entendre created by the word "shit." In one sense, this word is commonly used as a vulgar slang term for feces, directly relating to the function of a septic service truck. In another sense, it colloquially refers to personal belongings or stuff, which sets up the punchline of the caption implying theft.
The irony here is that the truck, in the course of its routine service, is designed to remove sewage waste from properties, which, while true in a literal sense, is whimsically contrasted with the idea of someone stealing all of one's household possessions. This twist generates the comedic effect.
The humor is further amplified by the way the text and graphic design mimic an alarm or caution sign, typically seen in public announcements or alerts. This parody style plays on the viewer's expectations for a serious message, only to deliver a joke based on wordplay and the incongruous image of a septic service truck. THAT GUY JUST STOLE ALL YOUR SHIT