The phrase 'way hotter' is correct and usable in written English.
It is an informal way of saying "much hotter" and can be used in informal situations in written English. For example: "Today was way hotter than yesterday - I was sweating within minutes!".
The Winter Olympics are way hotter than the Summer Olympics, even if everyone is wearing woolies.
"He's the greatest thing on the face of the Earth, except I still won't buy a Buick, and Tom Brady's better, and Brady has way more hair and a way hotter wife," Ferrall said.
If that stalwart industry is allowed to fail, Asian porn companies will rush to fill the void, offering porn that is both cheaper to produce and way hotter than ours.
There were about a thousand viejas in the neighborhood who were way hotter, like Mrs. del Orbe, whom your brother had fucked silly until her husband found out and moved the whole family away.
They crowd into movie theatres along with teenage boys in watch caps, and then insist that Eminem's rapping his way out of a Detroit car factory in "8 Mile" is way hotter than Jennifer Beals's dancing her way out of the Pittsburgh steel mill in "Flashdance".
The strippers here are way hotter than the ones there!
The reporting trip was grueling in every way: hot, long and without any promising leads.
"Make the ovens all the way hot," Pill told her father.
Things then get even more awkward as co-presenter 'Southside Steve' – real name Steven J Rickman – diverts the questioning his way, saying to Mara that she is "way, way hot" and then asks "why did you cut your hair?
The heat can be transferred through two basic pathways: conducted straight outward, the way heat travels along a frying pan, or convected out in plumes, the way hot air rises in the atmosphere or soup bubbles in a pot.
And, as a flutist, it said, "Collette's fluent playing helped shape a style of chamber jazz that utilized a soft instrumentation, but was nonetheless improvisational, swinging, and in its own way, hot".
