Soul Eater: Maka says this to Soul Eater about him using brute force early in the series.
In the Seeker Bears manga called Toklo's story, when the Big Bear roars at Oka to keep her cubs away from him or else, Oka retorts that threats is his answer to everything. And remember that this bear is the father of Toklo and Tobi...
Oka: Threats. Always threats. That's your answer to everything, isn't it?
The Yu-Gi-Oh! dub eventually acknowledged how much they'd ramped up Kaiba's Agent Scully / Flat Earth Atheist angle. When Kaiba dismisses a filler villain's abandoned body turning to crystal and collapsing as another "cheap trick"... "Is that your answer to everything, Kaiba? You really need a new Catch Phrase."
Yugi: That's your answer to everything, just throw a harpoon at the problem.
In Ultra Fast Pony, Spike advocates solving all problems with tomato juice.
Twilight: Are you sure tomato juice is good for snake bites? Spike: I am a talking dragon. Twilight: So is that a yes or a no? Spike: Tomato juice is good for everything! Twilight: I think I just peed in the tub. Spike: More tomato juice, then!
Mother T. rex: [Roars] Sid: Oh, that's your answer to everything. I don't exactly call that communication. I say they're vegetarian, you say "grrr". I say can we talk about it, you say "grrr". That's not what I call communication. Mother T. rex: GRRRRRR! Sid: See, that's your answer to everything!
Grace: Mom! This isn't fair! Bobbi Adler: Well, neither is my cottage cheese ass! Grace: Why is that your answer to everything?
In an episode of Red Dwarf, "Meltdown", the Dwarfers find themselves on a planet inhabited by droids of famous historical and fictional figures, who are fighting a war between Good and Evil. On the Good side, the Pythagoras droid continually suggests tactics involving triangles, much to the annoyance of the Albert Einstein droid.
Pythagoras: I still feel there's a solution, probably involving triangles. Einstein: Pythagoras, what is it with you? Always with the triangles, your solution to everything is triangles! There are problems that can't be solved by triangles!
A literal example: J.D. and Turk meet Old MC, a young MC impersonator, who's answer to everything is "Bust a move." At first they have fun with this, asking him different questions, but it quickly gets old.
There was a Running Gag for a short that when someone expresses doubt about a relationship, Carla would just tell her to marry the guy so that the four of them could have a double dinner date together.
Coach Z: Well, Homestar, I'll tell ya. Buying a Decemberween present for Strong Bad is like a great sports play. Homestar: Let me guess. I can't just rush into the score zone. Coach Z: Hey, that's right! Homestar: Coach! That's your answer for everything! Coach Z: Oh. Mouthwash?
Random extra #1:No, Lieutenant, the celebrity surprise is not Princess-Princess popping out of a cake. Is that your answer for everything?
Random extra #2: Only because it solves everything.
Riff: Kesandru's precise wards are tied to wood, mortar, plaster... various mundane materials that share one important quality. They all can be blown up. Torg: Riff, that's always your plan! Riff: It's more of a philosophy.
Black Mage: What makes you qualified to make that kind of judgement? Red Mage:Mastery of animal husbandry, of course. (for reference, they are repairing an airship) Black Mage: Why is that your answer for everything? (beat) How is that your answer for everything? Red Mage: There is no problem that cannot be overcome by an imaginative and vigorous use of the animal husbandry skill.
Ben Tennyson: I don't get it. How come you didn't tell Phil about the Omnitrix? Grandpa Max: That's on a need-to-know-basis only Ben, the less people who know the better. Gwen Tennyson: Guess that's your answer to everything, isn't it, Grandpa?
(Situation: Rarity is having a Heroic BSOD because her career seems to be ruined.)
Twilight Sparkle: Now what do we do? Fluttershy: Um... panic? Rainbow Dash: That's your answer for everything!
Spinelli's friends in Recess: School's Out say this about Spinelli threatening to "introduce" the students who aren't cooperating to her "good friend Madame Fist" — a callback to an early episode of the series when she threatens to do the same to anyone who gives Gus a hard time.
Played with in Futurama with Deep Blue, the world's foremost chess-playing computer.
Deep Blue: Bishop to knight 4. Al Gore: Not all missions can be solved with chess, Deep Blue. Someday you'll understand that.