The most common and most likely answer to this crossword clue is the 3 plus 2 letter word SUM UP
I've seen this crossword clue in The Daily Telegraph
S
U
M
U
P
More clues leading to the result SUM UP
- Act as judge when there's problem at a higher level
- Review of yours truly’s Latin at college
- Concisely describe problem at university
- Reckon some Greek character’s into booze
- Review problem at university
- The last thing maths lecturer might do
- Put in a nutshell, it’s acceptable to be in depression
- A few heard leading review
- Review creates problem at university
- Total of uranium found in oil deposit
Buddy explains!

The straight part
We know that "review" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case review = sum up.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 SUM UP mean?
SUM UP noun- A summary.