You can expect her to have a lot of fun. She'll likely be spending time with her friends, chatting, dancing, and maybe having some drinks. There might be games and activities planned. Just trust that she'll come back with great memories and stories to share.
I'm not sure specifically as the term 'wife party slut' is inappropriate and disrespectful. We should focus on positive and respectful stories about relationships.
By including unique activities. For example, if the party is in a forest - like area, they could do a tree - top adventure course. This adds an element of thrill and adventure to the story. Everyone can then share their experiences during dinner later, which makes for a memorable story.
One idea could be a story of a wife's bachelorette party in a vineyard. The girls all dress up in flowy dresses and big hats. They start the day with a wine - tasting tour, learning about different wines and having a great time chatting. Then, in the evening, they have a picnic under the stars, sharing stories of how they met the bride and their favorite memories with her.
At a bachelorette party in a rented cabin, we planned a nice weekend. But during the night, there was a huge storm. The power went out, and we realized the cabin was full of creepy crawlies. Spiders were dropping from the ceiling, and mice scurried across the floor. It was terrifying as we huddled together, trying to find our cell phones for light and call for help.