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1.
The way in which gay men move their hands to point out something, or just to simpley provide emphasis for whatever the happen to be talking about. A flashy and girly way the hands of a gay male move whenever they are talking.
Tom: I think Rob's gay. When he was picking out movies at the video store, he was using his gay hands. That's a sure sign!
by WiseOldGrunt January 05, 2008
 
2.
The hand of a person used in masturbation.
I haven't washed my gay hand in days.
by slopppynauledge October 18, 2012
 
3.
When you accidently touch hands with another person, it's usually awkward and saying "gay hands" usually makes it more awkward.
-hands brush against person next to you-

person 1: woah woah woah gay hands.
person 2: uhh.. this is awkward
Person 1: ....
by Samantha E Rodriguez January 05, 2009