One targeted by swingers at a party (6)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

We think this is a cryptic definition – we had to look this up but we couldn’t find anything that matched. However, when Joyce looked at the possibilities for P?N?T? she suddenly remembered PIÑATA – a decorated figure containing sweets that is suspended from a height and then broken by blindfolded children swinging sticks at a celebration. It is in Chambers but not when you search with missing letters.