The most common and most likely answer to this crossword clue is the 4 letter word CRAB
I've seen this crossword clue in Independent
C
R
A
B
More clues leading to the result CRAB
- Seafood, cold, local sent back
- Seafood, and a sort of apple
- Caught pub returning seafood
- Ill-tempered fellow, I’m often tastily dressed
- Sandbank about to return and drift sideways
- Sourpuss runs in Hackney
- Cook rapidly and boil heads
- Shakespeare’s dog Nipper?
- Mellor finally enters taxi — what a sour-tempered person!
- Grouch runs into growler of old
Buddy explains!

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 CRAB mean?
CRAB noun- A crustacean of the infraorder Brachyura, having five pairs of legs, the foremost of which are in the form of claws, and a carapace.
- The meat of this crustacean, served as food; crabmeat
- A bad-tempered person.
- (in plural crabs) An infestation of pubic lice (Pthirus pubis).
- A playing card with the rank of three.
- A position in rowing where the oar is pushed under the rigger by the force of the water.
- A defect in an outwardly normal object that may render it inconvenient and troublesome to use.
- An unsold book that is returned to the publisher.
- To fish for crabs.
- To ruin.
- To complain.
- To drift or move sideways or to leeward (by analogy with the movement of a crab).
- To navigate (an aircraft, e.g. a glider) sideways against an air current in order to maintain a straight-line course.
- To move (a camera) sideways.
- (World War I), to fly slightly off the straight-line course towards an enemy aircraft, as the machine guns on early aircraft did not allow firing through the propeller disk.
- To back out of something.
- The crab apple or wild apple.
- The tree bearing crab apples, which has a dogbane-like bitter bark with medical use.
- A cudgel made of the wood of the crab tree; a crabstick.
- A movable winch or windlass with powerful gearing, used with derricks, etc.
- A form of windlass, or geared capstan, for hauling ships into dock, etc.
- A machine used in ropewalks to stretch the yarn.
- A claw for anchoring a portable machine.
- (obsolete) To irritate, make surly or sour
- To be ill-tempered; to complain or find fault.
- (British dialect) To cudgel or beat, as with a crabstick
- The tree species Carapa guianensis, native to South America.
- Short for carabiner.