The most common and most likely answer to this crossword clue is the 6 letter word WIZARD
I've seen this crossword clue in The Times
W
I
Z
A
R
D
More clues leading to the result WIZARD
- Charge involving one Zulu witch doctor?
- Fantastic reptile with head becoming wide
- Enchanting chap island zoo initially put in charge
- Hotshot from Ritz regularly put in charge
- One last character brought into hospital room as miracle-worker?
- Ace speller
- Current head of zoology inspired by minor genius
- Expert takes care penning one last letter
- Show person one Zulu in charge
- Old comic, one unknown in part of town
Buddy explains!

The straight part
We know that "Hotshot" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hotshot = wizard.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 WIZARD mean?
WIZARD noun- Someone, usually male, who uses (or has skill with) magic, mystic items, and magical and mystical practices.
- One who is especially skilled or unusually talented in a particular field.
- A computer program or script used to simplify complex operations, often for an inexperienced user.
- One of the administrators of a multi-user dungeon.
- A wise man; a sage.
- An adult virgin over the age of 30.
- To practice wizardry.
- To conjure.
- Fine, superb (originally RAF slang).