The most common and most likely answer to this crossword clue is the 7 letter word TOOTSIE
I've seen this crossword clue in The Sunday Telegraph
T
O
O
T
S
I
E
More clues leading to the result TOOTSIE
- Sounds a warning that is for one on foot
- Foot in fixed position before toe is manipulated
- Revolutionary shoe is too tight to accommodate foot
- Foot is to toe as inch is to chin?
- Film regularly aired introduced by short sharp blasts
- Lower digit to eight initially: so it has been entered wrongly
- Blasts heads of Internet Explorer for juvenile digital item
- Little piggy that is following blows
- Foot sounds horn — bike oddly disappears
- Using baby talk, my foot!
Buddy explains!

The straight part
We know that "Lower digit" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case lower digit = tootsie.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 TOOTSIE mean?
TOOTSIE noun- A young woman
- A toe