The most common and most likely answer to this crossword clue is the 5 plus 2 letter word DROPS IN
I've seen this crossword clue in The Guardian
D
R
O
P
S
I
N
More clues leading to the result DROPS IN
- Abjure wickedness, as casual visitor does
- . Calls to offer advice to evil-doer?
- Decline evil calls
- Calls to give up immorality
- Without warning, calls “Don’t be proud!”
- Visits with command to repent?
- Give up evil calls
- Before moving prison, daughter pays a visit
- Declines home visits
- Calls to return to paths of virtue?
Buddy explains!
The straight part
We know that "Calls" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case calls = drops in.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.