The most common and most likely answer to this crossword clue is the 4 letter word BEEB
I've seen this crossword clue in Independent
B
E
E
B
More clues leading to the result BEEB
- Auntie to take two books about Europe on vacation
- Auntie coming back just the same?
- Auntie looking up and down
- Auntie showing up just the same?
- Up-and-down Auntie?
- Auntie viewed up and down
- Body establishing English broadcasts, originally
- Auntie swings both ways
- Auntieās complaint cut short bishop
- Auntie seen on reflection not to have changed
Buddy explains!

The straight part
We know that "Auntie?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case auntie? = beeb.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.