An insult that doesn’t sink in for awhile.
When Jasmine figured out that slow burn comment from the girl at the bar, she was so pissed.

He’s an idiot, you can say any sort of shit to his face and it’ll be a slow burn. He won’t figure it out for days.
by Brett Burkhardt April 27, 2008
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A fanfiction genre in which the characters that are romantically shipped take a very long time to get together. It could be 30 chapters before they even brush elbows.
Person A: "I'm looking for some good fanfiction for Destiel. Do you know of any good slow burn fics?"

Person B: "Do I? Yes! Here, I'll send them to you."
by Now You Know... July 17, 2019
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1. an attraction for someone what is not instant, but grows over time. 2. the process of becoming attracted to someone over a period of time.
Chuck was used to love at first sight, but was experiencing a slow burn since meeting Janice a few weeks ago and was certain she was the ONE!
by daprinceofhiphopsoul February 19, 2010
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Allowing an event or comment to simmer under your skin until you erupt and flip out
"I did a slow burn in the check out lane while this lowlife was trying to pay with food stamps."
by Walter Pigeon December 11, 2008
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"slow burn" is an expression used by soyboys to refer to their favourite type of horror, one "without jumpscares" and "therefore friggin' superior". The most notable examples of this type of horror are A24 films.
It often is preceded by "(a) bone-chilling".
"Dark, eerie, atmospheric, character development, suspense build-up, a bone-chilling slow burn."

"Three tickets for me, my wife and my wife’s son for the newest A24-produced, genre-redefining, trope-subverting, atmospheric, dark and eerie, emotionally draining, gut wrenching, aesthetically heavy craft by post-horror auteur with an arthouse edge, dread-inducing, suspenseful build up with strong character development and gradual feeling of escalation, bone-chilling slow burn with “say more with less” approach and soul-shaking, blood-curdling, skin-crawling and nerve-wracking exercise in persistently looming dread where tension and anxiety permeates every frame as movie reaches its nail-biting, jaw-clenching and paranoia-inducing final climax, free of any cheap gore, cartoonish CGI or infantile jumpscares horror film, please. I'll have an extra large soy latte to go with that."
by Chad111 May 18, 2020
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Gradual but inexorable increase in anger, eventually becoming outright rage or fury; what happens as a patient or slow-witted person figures out what has happened and why it is significant. NOT the insult, but the process that the insult (or other upsetting thing) starts in the victim.
"Beware the fury of a patient man" -- Seneca was talking about the consequences of a slow burn here.

At first Ned liked to think his new girlfriend was popular, but as that progressed to flirty, and then to "widely available even when Ned was right there", he began to do a slow burn about it; finding her topless in the kitchen at a party was the last straw.

She did a slow burn over the fact that her roommate borrowed things, didn't return them, gradually assumed she owned them, and finally began to lend them out and give them away herself.

He dented my car and at first it was no big deal; I left a note on his windshield saying we'd figure out what to do about it, but when I didn't hear from him for months, except promises that we'd get in touch real soon, I started to do a slow burn.
by old lang guy December 11, 2008
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