This phrase can be used in reference in two different instances.
1.) To refer to the temperature at present. Saying that "it is hot as hell" is to over embellish the current temperature by comparing it to that of hell itself (which would be unimaginable heat)
2.) No comment on the origin of the second instance of the phrase. The meaning is simply in reference to an incredibly attractive man or a woman.
1.) Can someone turn the air conditioner on? It's hot as hell in here.
2.) Did you see that chick over there? She's hot as hell!
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The hottest chick you've ever seen and u wanna bang her brains out.
Damm, look at that babe! Shes as hot as hell.
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Ridiculously warm. 100 degrees F or more
It's hot as hell in florida.
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1. Reference to something that has a high temperature.
2. Reference to a sexual object of desire.
Me: That barbecue stove is hot as hell.
Someone Else: ...
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An object that needs to be fenced right away since it is widely known to be stolen
You stole "The Scream?" Hawk it immediately--it's as hot as hell.
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