Assflash

The act of flashing your ass as oppose to a front flash. This is also known as a backflash.

Julia totally just assflashed me!

Assflash by Alien in Hotchkiss January 27, 2010

assplash 

The splashing of toilet water against the anus and buttocks as a result of heavy stools or Explosive diarrhea

While sitting on the shitter, I squinted in disgust as the assplash licked at my rear.

assplash by Dr. Roid September 11, 2004

asslashed 

Asslashed is a unexpected nasal sensory attack and injury to one's neck movement in disgust to someone’s foul ass gas making them nauseated. Symptoms include verbal disgust, immediate evacuation of the vicinity of the person smelling such, feelings and/or actual vomiting, , noticeable change in one's candor and/or appearance from pleasant to disgusted.

The ass gas that came out of Richie's was so foul, gross, and repulsive, that I got asslashed.

asslashed by SWROBERTS August 12, 2018