When you perform a sex act, in front of an x-ray machine, and get it on video.
Visit Tucker Max's website for a visual OR simply google the words Sex-Ray and it shouldn't be too hard to find.
by LessCuteVersionOfYou February 22, 2010
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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
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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
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The mysterious inborn quantum-like power baby dykes have to project sexuality instantaneously over any distance.

Baby dyke sex rays can be transmitted in person, over the telephone, via text message, via email, regular post, or even - some would argue - thought itself. The transmission of the sex rays may be intentional or accidental on the part of the baby dyke.

Upon striking most any more mature / experienced lesbian, the sex rays have the effect of an profoundly potent aphrodesiac, and can also foster feelings of protectiveness, friendship, and love.

It should be noted that while some very few lesbians are almost completely immune, most are not, and will usually succumb to the sex rays eventually whether they want to or not.
Dyke 1: I'm going out with Jessica later.
Dyke 2: Dude... She's like 19!!
Dyke 1: I know... I know... She got me with the baby dyke sex rays!
by Honor January 20, 2006
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