When the weather is so hot that it enrages you. Especially prevalent in the UK where air conditioning units are mythical creatures that you only ever read about in books.
Examples of heat rage:
"I want to work out, but it's so damn hot and stuffy in my room that I don't feel like it. F*ck this weather!"
"Walking up this hill is making me sweat like crazy. I hate summer!"
"I want to work out, but it's so damn hot and stuffy in my room that I don't feel like it. F*ck this weather!"
"Walking up this hill is making me sweat like crazy. I hate summer!"
by ThohtSlayer9000 July 21, 2021

When you really fuck with someone or something and you gotta lock it down. like you gotta keep it or get it
Shawty so bad, I gotta lockdown this heat.
That Gucci belt be looking fire, I gotta lockdown this heat.
That Gucci belt be looking fire, I gotta lockdown this heat.
by fuckthispussyboyfuckit March 21, 2019

Heat Waves is an amazing DreamNotFound fanfiction on AO3 (Archive Of Our Own) written by tbhyourelame, it's sequel is Helium. Heat Waves is about Dream struggling with his feelings for George and obsessing over the song "Heat Waves", by Glass Animals which gained lots of traction because of the fanfiction. The romance ends up nearly destroying things in the end but they pull through and it is beautiful in the final chapters. It's famous quote is "I burn you?" "You melt me."
DNF Shipper #1: What are you reading?
DNF Shipper #2: Heat Waves.
DNF Shipper #1: "I burn you?"
DNF Shipper #2: "You melt me."
Both: VYU3BIVBEINVHU MY TWIN SOUL
DNF Shipper #2: Heat Waves.
DNF Shipper #1: "I burn you?"
DNF Shipper #2: "You melt me."
Both: VYU3BIVBEINVHU MY TWIN SOUL
by Bumble's H3@RT May 20, 2022

Heatness is a plural of heat expressing the amount of heat excreted by something such as an object or living thing.
by AFW:LSKBRJwpoefkn/lgbrlwpoejan December 14, 2021

I defecated on a woman’s pubic landing strip and smoosh it flat well screwing in missionary position to create a heated driveway.
I went on a holiday to Canada, and well I was there I met a lovely woman, who I later that night let me give her a Heated driveway.
by PhantomWiZard April 15, 2025

“ Buh the amount I have heat is lower than what u expecting,so I would like to top up if u don’t mind” which is roughly translated to “I’m poor and can’t afford your services”
by emxju April 4, 2022

A large subsection of Gacha Life/Club, these people are mostly trolls or ignorant children. The content is mostly sexual in nature and can sometimes be about rape, pedophilia, sex, and sometimes fetishes. (ex: scat) The people making this content are most of the time trolls, and always remember to not feed the trolls.
Friend A: Hey man, look at this new video I've made!
Friend B: Ooooo, what is it about?
Friend A: Its Gacha Heat, it's super cool!
Friend B: I have no idea what Gacha Heat is.
Friend A: Well let me show you the video then! -Shows Video-
Friend B: Ew dude, delete that before your parents find out.
Friend B: Ooooo, what is it about?
Friend A: Its Gacha Heat, it's super cool!
Friend B: I have no idea what Gacha Heat is.
Friend A: Well let me show you the video then! -Shows Video-
Friend B: Ew dude, delete that before your parents find out.
by Frank - CEO Of the NCR Rangers November 19, 2023
