group sex(sexual practice) noun [UK: ɡruːp seks] [US: ˈɡruːp ˈseks]
orgy [orgies](sexual group activity) noun [UK: ˈɔː.dʒi] [US: ˈɔːr.dʒi]If you get invited to your first orgy, don't just show up naked. = Si te invitan a tu primera orgía, no te aparezcas desnudo.