The most common and most likely answer to this crossword clue is the 8 letter word MINIMUMS
M
I
N
I
M
U
M
S
Buddy explains!
The straight part
We know that "they can't get any littler!" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case they can't get any littler! = minimums.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 MINIMUMS mean?
MINIMUMS noun- The lowest limit.
- The smallest amount.
- A period of minimum brightness or energy intensity (of a star).
- A lower bound of a set which is also an element of that set.
- The smallest member of a batch or sample or the lower bound of a probability distribution.