The most common and most likely answer to this crossword clue is the 3 plus 3 plus 2 letter word ASK FOR IT
I've seen this crossword clue in The Times
A
S
K
F
O
R
I
T
More clues leading to the result ASK FOR IT
- Make a request and invite trouble
- Pro engaged in a piece of satire to invite trouble
- Approving being in a comedy sketch is to invite trouble
- Bring trouble on oneself when tackle inhibits pro
- Invite trouble, if a stork flies
- Be at risk of getting into trouble?
- To make likely trouble for oneself, demand sex
- Court disaster: King’s head is fat or revolting
- Request computer back-up or risk trouble
- Provoke trouble with vocal quartet in a comedy item
Buddy explains!

The straight part
We know that "to invite trouble" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case to invite trouble = ask for it.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.