The most common and most likely answer to this crossword clue is the 3 plus 5 letter word MAN EATER
I've seen this crossword clue in The Daily Telegraph
M
A
N
E
A
T
E
R
Buddy explains!

The straight part
We know that "crocodile, for example" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case crocodile, for example = man eater.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 MAN EATER mean?
MAN EATER noun- An animal that has a reputation for eating humans, such as the tiger or shark.
- A cannibal.
- (by extension) A seductive dangerous woman, often readily taking and discarding male romantic partners.