The most common and most likely answer to this crossword clue is the 6 plus 8 letter word VULGAR FRACTION
V
U
L
G
A
R
F
R
A
C
T
I
O
N
More clues leading to the result VULGAR FRACTION
Buddy explains!
The straight part
We know that "one over the eight, perhaps?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one over the eight, perhaps? = vulgar fraction.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.