24 across
Long
shot,
but
here’s
an
opportunity
to
diet
(4,6)
Long shot, but here’s an opportunity to diet (4,6)
hints
0
checks
0
hints
The whole clue is the definition (& lit or double definition).
How the clue works
Long shot gives you one definition — a remote possibility. Then here's an opportunity to diet works as a cheeky second definition, reading the answer literally as a chance to get slim. It's a double definition, with the second one playing it for laughs.