Wiktionary
a. 1 (context idiomatic English) Enthusiastic for. 2 (context idiomatic English) knowledgeable about. 3 (context idiomatic English) skilled at.
Usage examples of "hot on".
Already, that scorching sun was getting hot on the back of his neck and he could feel his sensitive scalp broiling under the heavy-duty burner heat waves that sizzled him.
If he wasn't rogue, then it was likely that he was a rogue hunter hot on another newborn's trail and that there would be others around like him—.
The sun was hot on his body as he crept along, dragging his wounded leg, unable to lean too heavily on the bow staff lest it break under his weight.
I hate to be the bearer of bad news, but I don't think he's hot on marriage.
For a man on the run with the law hot on his heels would likely choose some solitude as he lathered his own brute, and the coast road ran through much more of town as well as past that Coast Guard station to the north.
With the sun hot on the skin, and the air shrill with cicadas, and a line of cypress trees dark against the sky .
Americans are killing themselves by the millions every year with defective rubber tires that get hot on the road and blow up.
Why when the sun though in contact with the uncovered body of the water has not been able to make it hot on its upper side, though his light above possesses such great heat, how can he below the earth which is of so dense a body boil the water and glut it with heat?
Kayla went through those gates as though all the demons in hell were hot on her tail.