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2.
Making a nice (fake) gesture for someone when you don't really mean it, hoping that the person who you are making that gesture to won't actually as you for a favor, or follow up on that offer you made. You just say it to seem like a nice person. This phrase is used in Curb Your Enthusiasm.
Larry David: Well, If there is anything I can do, let me know.
Marty Funkhouser: You know what, there is something you can do.
Larry David: What, are you kidding?
Marty Funkhouser: What, you didn't mean it?
Larry David: Of course not!
Marty Funkhouser: Well why did you say it then?
Larry David: You know, it's an empty gesture; something to say!
Larry David (saying to Jeff Greene): Don't make an empty gesture to a Funkhouser, they'll take you up on it!
by pezdispenser001 October 04, 2009
 
1.
to say something without an intention of actually doing it. Making an offer that is not intended to be fulfilled or even taken up by someone.
Rocky: if theres anything you need let us know
Mom: actually there is something you could do for us
Rocky: really? wow no ones ever actually taken us up on our offer before
CeCe: yea havent you guys ever heard of an empty gesture?
by Mac Is Fresh January 16, 2012