The most common and most likely answer to this crossword clue is the 4 letter word SPOT
I've seen this crossword clue in The Times
S
P
O
T
Buddy explains!
The straight part
We know that "little bit" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case little bit = spot.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 SPOT mean?
SPOT noun- A round or irregular patch on the surface of a thing having a different color, texture etc. and generally round in shape.
- A stain or disfiguring mark.
- A pimple, papule or pustule.
- A small, unspecified amount or quantity.
- A bill of five-dollar or ten-dollar denomination in dollars.
- A location or area.
- A parking space.
- An official determination of placement.
- A bright lamp; a spotlight.
- A brief advertisement or program segment on television.
- Difficult situation; predicament.
- One who spots (supports or assists a maneuver, or is prepared to assist if safety dictates); a spotter.
- Penalty spot.
- The act of spotting or noticing something.
- A variety of the common domestic pigeon, so called from a spot on its head just above the beak.
- A food fish (Leiostomus xanthurus) of the Atlantic coast of the United States, with a black spot behind the shoulders and fifteen oblique dark bars on the sides.
- The southern redfish, or red horse (Sciaenops ocellatus), which has a spot on each side at the base of the tail.
- (in the plural, brokers' slang) Commodities, such as merchandise and cotton, sold for immediate delivery.
- An autosoliton.
- A decimal point; point.
- Any of various points marked on the table, from which balls are played, in snooker, pool, billiards, etc.
- Any of the balls marked with spots in the game of pool, which one player aims to pot, the other player taking the stripes.
- To see, find; to pick out, notice, locate, distinguish or identify.
- To loan a small amount of money to someone.
- To stain; to leave a spot (on).
- To remove, or attempt to remove, a stain.
- To retouch a photograph on film to remove minor flaws.
- To support or assist a maneuver, or to be prepared to assist if safety dictates.
- To keep the head and eyes pointing in a single direction while turning.
- To stain; to blemish; to taint; to disgrace; to tarnish, as reputation.
- To cut or chip (timber) in preparation for hewing.
- To place an object at a location indicated by a spot. Notably in billiards or snooker.
- Available on the spot; for immediate payment or delivery.