If Sim sex is your thing, this is the mod for you.
NSFW Mods in The Sims You Won't Believe Exist
The mod allows characters to perform exhibitionist acts such as flashing others and doing it in public.
The exhibitionism mod in The Sims 4 is part of the notorious WickedWoohoo mod.
If Sim sex is your someone to shake your hand. It's as simple as getting thing, this is the mod.