Exhausted, no one going out then? (3,2)
I believe the answer is:
all in
This clue is a double definition.
'exhausted' is the first definition.
('all in' can mean exhausted)
'no one going out then?' is the second definition.
(everyone at home - in)
(Other definitions for all in that I've seen before include "Everyone's home - exhausted" , "without any extras" , "Absolutely exhausted" , "No-one out" , "Quite exhausted - everyone at home" .)