24 across
Put
on
endless
party
(4)
Put on endless party (4)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
Right, so party is the definition here — think stag party, a bit of a do. "Put on" gets you to STAGE, as in staging a show, and then "endless" tells you to chop off the last letter, leaving you with STAG.