
*Most In-N-Out fans are well acquainted with Animal Style, but a growing number of burger enthusiasts are bypassing that crowd favorite for something far more extreme.
Meet Gorilla Style — the fan-engineered, off-menu burger hack that has been quietly gaining traction among those who believe more is always more. It is not something In-N-Out staff will build for you, and it is not listed anywhere on the menu. Pulling it off requires ordering three separate items and putting them together yourself.
The concept is straightforward in theory, even if the execution gets messy fast. Gorilla Style starts with a Double-Double with grilled onions, a Flying Dutchman — two beef patties sandwiched between two slices of cheese without a bun — and an order of Animal Style fries, which arrive loaded with cheese, grilled onions, and the chain’s signature spread.

Assembly involves cracking open the Double-Double, layering the Flying Dutchman inside, and tucking the fries into the middle before sealing everything under the top bun. The result is a sandwich carrying four beef patties, four slices of cheese, and a mountain of saucy, cheesy fries all compressed into one unwieldy package.
The rise of Gorilla Style reflects how deeply In-N-Out’s unofficial menu has embedded itself in fast food culture. Animal Style remains the reigning champion of off-menu orders — it even earned a stamp of approval from Gordon Ramsay — but clearly some diners are hungry for a more extreme experience. The chain’s off-menu offerings have always rewarded the adventurous, extending even to a special option designed specifically for dogs.
For anyone ready to graduate from Animal Style, Gorilla Style represents the next level. Just make sure you have plenty of napkins — and maybe a change of clothes.
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