When you see something so horrible your penis completely retreats into your body.
That girl was so ugly it gave me a revection.
by MaryRose April 17, 2007
A reverse erection. When someone is so ugly that the penis actually retracts into the pelvis.
"Did you see that lady, she had a freakin' mustache? She just gave me a revection."
by CFJP17 November 23, 2009