The most common and most likely answer to this crossword clue is the 6 letter word SWEATY
I've seen this crossword clue in The Times
S
W
E
A
T
Y
More clues leading to the result SWEATY
- Wet, say, after running?
- Hot clothes not right in dirty accommodation
- Hot and moist, place cakes wearily at first on base of tray
- Embroidered, yet was covered in beads?
- We stay out, lubricated, naturally
- Showing sign of nerves, yet was strangely composed
- Showing effects of fever, say — wet, in a way
- Labourer could get this site around West Yorkshire’s summit
- Terribly wet, say?
- Wet — say, after working
Buddy explains!

The straight part
We know that "Hot" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hot = sweaty.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SWEATY mean?
SWEATY noun- One who is sweaty.
- Covered in sweat.
- Having a tendency to sweat.
- Likely to cause one to sweat.
- Caused by sweat.
- Strenuous; laborious; exhausting.
- Inappropriately serious about a leisure activity, chiefly video games.
- (sometimes humorous) A term of familiar address.