The most common and most likely answer to this crossword clue is the 4 letter word CARP
I've seen this crossword clue in The Guardian
C
A
R
P
More clues leading to the result CARP
- Complain, parking at east end of estate, perhaps
- Complain pettily, vehicle accommodation being out of ark
- Across river, better fish
- Chippy’s board left off fish
- Go one better than catching river fish
- Nag Republican to wear headgear
- Beef or fish?
- Find fault with fish
- Complain of vehicle parking
- Car parking for swimmers
Buddy explains!
The straight part
We know that "Pick holes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case pick holes = carp.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 CARP mean?
CARP noun- Any of various freshwater fish of the family Cyprinidae, especially the common carp, Cyprinus carpio.
- To complain about a fault; to harp on.
- To say; to tell.
- To find fault with; to censure.