The most common and most likely answer to this crossword clue is the 9 letter word SPILLOVER
I've seen this crossword clue in Independent
S
P
I
L
L
O
V
E
R
More clues leading to the result SPILLOVER
- Unexpected consequence of backing those kissing boyfriend?
- Medication in second sequence of deliveries — excess that’s spread around
- Side effect of pills, son took earlier is done with
- Surplus of kissers head-over-heels next to beau
- Case of excess smackers put back next to big fan
- Kissers elevated romantic interest to become excessive
Buddy explains!
The straight part
We know that "unexpected consequence" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case unexpected consequence = spillover.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 SPILLOVER mean?
SPILLOVER noun- That which overflows; the excess or side effect.
- The spread of infectious disease between different species of animal and particularly to humans.