The sort of monkey-business that wrecks a ship? (5)

I believe the answer is:

apish

I'm a little stuck... Click here to teach me more about this clue!

'the sort of monkey-business' is the definition.
I can't judge whether this definition defines the answer.

'wrecks a ship?' is the wordplay.
'wrecks' indicates an anagram.
'a'+'ship'='aship'
'aship' with letters rearranged gives 'APISH'.

'that' is the link.

Can you help me to learn more?

(Other definitions for apish that I've seen before include "Foolish; simian" , "Foppish" , "Silly" , "Stupid" , "Foolish; like a monkey" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.