the ability to tell when somebody is aroused when they are hiding it, for example over the phone.
Don't lie to Superman, he's got sex-ray vision
by Nobuyuki March 29, 2004
Get the sex-ray vision mug.
sex-ray vision (noun): The vision a male/female uses to determine if a member of the opposite sex would sleep with them.
Using my sex-ray vision its apparent that women wants to sleep with me.
by mangsun July 5, 2010
Get the sex-ray vision mug.