These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Accidental Innuendo: "When dogs dream." Larson acknowledged that the unfortunate placement of the dog relative to the vehicle's mechanically correct underside caused many readers to assume that the dog was mating with the crankshaft case, instead of simply howling victoriously over its kill.
In The Complete Far Side, Larson discusses his panic after realizing the woman he drew for the cover of In Search of the Far Side resembled a gigantic penis.
"Funny Aneurysm" Moment: "Suddenly, on a national talk show in front of millions of viewers, Dick Clark ages 200 years in 30 seconds." That's pretty much what happened to Dick Clark after his stroke.
Genius Bonus: In one comic, there are 2 scientists. 1 is explaining some complex math that shows that those many wrongs equal a right. However, if you do the math described, It equals 0. 0 wrongs make a right.
Anatidaephobia, the fear that a duck is watching you. Antidae is the scientific name for the duck family, which Larson describes as "a joke a dozen ornithologists got, and everyone else just went 'what the hey?'"
Two shipwreck victims find an island where one happily proclaims they'll have plenty to eat as it's completely covered with oysters, the joke being that this means the island will be completely underwater at high tide.
Hilarious in Hindsight: This◊ comic was published years ago. This is a 2011 summer blockbuster, leading to many jokes that the movie is an adaptation of the Far Side comic.
Never Live It Down: The infamous Cow Tools strip, and a few other particularly offensive ones.
Nightmare Fuel: Larson tried to downplay the creepiest imagery in his strips by drawing them to look as silly as possible, but a lot of both the visuals and the concepts are still pretty disturbing nonetheless. The first animated adaptation, on the other hand, is positively loaded with Nightmare Fuel (the second one tones it down a lot, but doesn't eliminate it completely).
No Such Thing as Bad Publicity: Larson claims that the Cow Tools incident will haunt him for the rest of his life, but it actually generated an amazing amount of publicity for the strip, and probably helped boost his circulation. Go Figure.
Seinfeld Is Unfunny: This strip can be considered the 80's equivalent of South Park, Family Guy, or Robot Chicken. Just look at the controversial cartoons section of The Prehistory of The Far Side. And yet, even the rejected cartoons seem tame in comparison to the stuff on TV and the Internet today!
Uncanny Valley: Larson's attempts at drawing people look a little... off.
Unfortunate Character Design: There was a comic of a sleeping dog dreaming of having caught a car and howling in triumph atop it called "When dogs dream". Larson said later he drew in the car's transmission box where it was supposed to be, and the editor cleared it to be published when he was inundated with mail from people thinking the dog was having sex with the car. The caption has been changed to "When car chasers dream" to rectify this.