The most common and most likely answer to this crossword clue is the 3 letter word TEL
T
E
L
More clues leading to the result TEL
Buddy explains!

The straight part
We know that "Little Terence" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case little terence = tel.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 TEL mean?
TEL noun- A message transmitted by telegraph.
- An apparatus, or a process, for communicating rapidly between distant points, especially by means of established visible or audible signals representing words or ideas, or by means of words and signs, transmitted by electrical means.
- A visible or audible cue that indicates to an opponent the action that a character is about to take.
- The sequence of digits used to identify a particular destination telephone in a network.
- (in the plural) A large number.
- A reflexive, often habitual behavior, especially one occurring in a context that often features attempts at deception by persons under psychological stress (such as a poker game or police interrogation), that reveals information that the person exhibiting the behavior is attempting to withhold.
- That which is told; a tale or account.
- A private message to an individual in a chat room; a whisper.
- A hill or mound, originally and especially in the Middle East, over or consisting of the ruins of ancient settlements.