A man places his smooth balls over each eye of a man or woman with an erect pens protruding off the forehead of said man or woman, creating the illusion of a unicorn with weird testicle (blind) eyes. Usually includes variations with another man receiving fellatio simultaneously from the "blind unicorn"/willing victim!
by Gary Urbo December 13, 2018
I sat on this chicks head and put my nuts in her eyes while I had a boner, I gave her the 'blind unicorn'.
by Jeff DuffKnee October 06, 2005
The act of placing your testicles over the eyes of a woman and having your erect penis placed on there forehead making it look like she is a blind unicorn
by kinky_kelly_and_the_sexy_stud April 10, 2010
Sitting on top of a lucky person's head where the balls obstruct their vision and the erect cock has the appearance of a unicorn.
by JayFlyer May 06, 2015
During a threesome, the balls of a fully erect male cover the eyes of 1 member while giving a blowjob to the third member.
“...Blind unicorn sex was great, I had my eyes covered by balls most of the time while I was giving a blowjob”
by Tiddlydinkydoo April 25, 2018