Bluebell Steamer 

A turbulent session of repeated anal penetration, resulting in a bruised, visibly blue anus. Where so much frictional energy was created that the liquid inside the anus begins to evaporate and escape, creating a dense cloud of steam.

I pounded her so hard she got a bluebell steamer.

Bluebell Steamer by Corn Hungis June 15, 2018