The most common and most likely answer to this crossword clue is the 4 letter word SPIN
I've seen this crossword clue in The Times
S
P
I
N
More clues leading to the result SPIN
- Wheel to fix on Sierra
- Try to create favourable impression — bring up drinks
- Transgression involving parking for short trip
- Turn quickly in parking in serious error
- Tots turned away to get some merchandising
- Back cuts in political manipulation
- Go round quickly and tack, going to south
- Hurries back for a short car trip
- Pops up to get favourable slant from doctor?
- Make long story out of a short trip
Buddy explains!

The straight part
We know that "some merchandising" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case some merchandising = spin.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 SPIN mean?
SPIN noun- Rapid circular motion.
- A quantum angular momentum associated with subatomic particles, which also creates a magnetic moment.
- A favourable comment or interpretation intended to bias opinion on an otherwise unpleasant situation.
- Rotation of the ball as it flies through the air; sideways movement of the ball as it bounces.
- A condition of flight where a stalled aircraft is simultaneously pitching, yawing and rolling in a spinning motion.
- A brief trip by vehicle, especially one made for pleasure.
- A bundle of spun material; a mass of strands and filaments.
- A single play of a record by a radio station.
- A search of a prisoner's cell for forbidden articles.
- Unmarried woman, spinster.
- The use of an exercise bicycle, especially as part of a gym class.
- To rotate, revolve, gyrate (usually quickly); to partially or completely rotate to face another direction.
- To make yarn by twisting and winding fibers together.
- To present, describe, or interpret, or to introduce a bias or slant, so as to give something a favorable or advantageous appearance.
- (of a bowler) To make the ball move sideways when it bounces on the pitch.
- (of a ball) To move sideways when bouncing.
- To form into thin strips or ribbons, as with sugar
- To form (a web, a cocoon, silk, etc.) from threads produced by the extrusion of a viscid, transparent liquid, which hardens on coming into contact with the air; said of the spider, the silkworm, etc.
- To shape, as malleable sheet metal, into a hollow form, by bending or buckling it by pressing against it with a smooth hand tool or roller while the metal revolves, as in a lathe.
- To move swiftly.
- To stream or issue in a thread or a small current or jet.
- To wait in a loop until some condition becomes true.
- To play (vinyl records, etc.) as a disc jockey.
- To use an exercise bicycle, especially as part of a gym class.
- An abnormal condition in journal bearings where the bearing seizes to the shaft that is rotating and rotates inside the journal, destroying both the shaft and the journal.