Nudity - Clubs
The ‘Get Together’ game expansion is required to use the clubs functionality. Note that this expansion is not required to use WickedWhims itself.
The ‘Embrace Nudity’ club activity makes Sims in a gathering focus on undressing and talking about nudity. Sims are more willing to undress, accept others nudity, and convince others to undress.
The ‘Flash’ club activity makes Sims in a gathering focus on flashing others. Sims are required to have the ‘Exhibitionism’ trait to perform flashing interactions.