Wild party (4)
'wild party' is the definition.
(a dance party)
This is all the clue.
(Other definitions for rave that I've seen before include "Talk incoherently" , "Talk wildly and angrily" , "Talk wildly in modern youth dance" , "Rant - noisy, all-night party" , "Party with electronic dance music - be wild" .)
'wild party' is the definition.
(orgy can mean a boisterous party)
This is the entire clue.
(Other definitions for orgy that I've seen before include "Wild overindulgent party" , "Excess" , "Saturnalia" , "Frenzy; bacchanalia" , "Overindulgent revel" .)