The most common and most likely answer to this crossword clue is the 3 letter word TUT
T
U
T
More clues leading to the result TUT
- King wrapped up in short skirt
- Expression of disapproval that unnerves talker initially
- Reaction when men missing train?
- Sound disapproving of short ballet dress
- Tsk, mummy!
- I disapprove of that teacher putting 18 off
- Three times required to ring university? Extremely upset son expresses disapproval
- I disapprove of that teacher putting men off
- Expression of one dissatisfied Egyptian King!
- That’s bad university teacher putting off men repeatedly
Buddy explains!

The straight part
We know that "Expression of one dissatisfied/Egyptian King!" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case expression of one dissatisfied/egyptian king! = tut.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 TUT mean?
TUT verb- To make a tut tut sound of disapproval.
- Tut tut; an expression of disapproval.
- Hush; be silent.
- A tutorial.
- An imperial ensign consisting of a golden globe with a cross on it.
- A hassock.
- A piece of work.
- To work by the piece; to carry out tut-work.