an extra slice of gravy-soaked bread inside a turkey sandwich to make it extra moist. Monica on "Friends" invented it and Ross named it. Ross got really upset one time, when his boss ate his sandwich with a moistmaker.
Ross: Oh-oh really? Did you confuse it with your own turkey sandwich with a moistmaker?
by Dr. Heywood R. Floyd November 24, 2007
2 more definitions
Amazing sandwich with a moist center from egg yolk or something else good... or gravy like the og moist maker from Friends (when Ross gets furious as his boss eats it)
Please girlfriend, make me a moist maker.
by Gufferyy January 07, 2011
The act of spitting on the genitals of either sexual partner in an effort to make things more wet.
Yeah, she was a bit dry, but I gave her a moistmaker and we were good to go.
by Dr.Sax April 12, 2011