Performing an act of oral copulation while the receiving party is in the midst of defecation.
The term "brown-nosing" took on an entirely new and altogether more literal meaning when Jane discovered that Bob had a case of explosive diarreah whilst she was in the midst of giving him a hershey windstorm.
When a male shoots his jizz on the outermost part of the girls anal hole. After this is done the girl simply farts to make the jizz look like a "Russian Windstorm"
Sally gave great anal but she killed the mood when she got her Russian Windstorm on me.