Adjective
hot as hell (not comparable)
(simile, colloquial) Extremely hot (all senses)
I love it because it’s humid and hot as hell. Source: Internet
The night's as hot as hell. Source: Internet
The ride was nice- still hot as hell but the skies were blue and the roads clear, and I listened to Section 80 on the way up and To Pimp a Butterfly on the way back, and stopped by Costco while Lily was being treated. Source: Internet