When someone says that they will do something around a bunch of people to look good when they have no intention of doing anything at all. Derived from when Tommy Davidson as Varnel Hill invited Martin on his talk show to the public but didn't really want him to go on his show.
Jay: Robert, are you going to the club with us later?
Robert: Yeah, I'll be there for sure.
*later that night*
Don: Jay what happened to Robert?
Jay: He ain't coming. He was just giving us a bunch of Hollywood Talk.