Probably something like a lava cake or a hot fudge sundae. I can think of many but maybe this site will give you some more ideas! 13 Hot, Gooey Dessert Recipes - CHOW.com
www.chow.com/galleries/240/13-hot-gooey-dessert-recipes
What is the meaning of a hot dessert?
I'm getting hungry just think about this answer...
In my opinion, a hot dessert is usually something that needs to be warmed or heated before serving.
I guess the specification that it is "hot" is because desserts tend to be cold or at least room temperature.
However, there are hot desserts out there - some are traditionally served in winter, but you can enjoy them all year round.
Probably something like "Jalebi" an Indian dessert which is very popular in India.
cooksafai .co.in is a site where you can get many more ideas regarding hot dessert.
Hot dessert is the food item which concludes the main meal. But it used to be cold and sweet in past days. But nowadays it has changed it’s primary identity and people love them hot as well. Therefore so many hot dessert recipes now in existence. I’m sharing one of such item I got to know from Living Foodz with you.
livingfoodz.com/stories/How-to-Make-the-Best-Hot-Chocolate-a