The most common and most likely answer to this crossword clue is the 13 letter word TRANSGRESSIVE
I've seen this crossword clue in Independent
T
R
A
N
S
G
R
E
S
S
I
V
E
Buddy explains!

The straight part
We know that "typical of them" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case typical of them = transgressive.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 TRANSGRESSIVE mean?
TRANSGRESSIVE noun- A form of verb in some languages.
- An individual who transgresses, or breaks social rules.
- Involving transgression; that passes beyond some acceptable limit; sinful.
- Going beyond generally accepted boundaries; violating usual practice, subversive.