Mannikins meaning : A little man (sometimes as a term of endearment). A three-dimensional figure, dummy or effigy representing a man or person. A dummy, or life-size model of the human body, used for the fitting or displaying of clothes A jointed model of the human body used by artists, especially to demonstrate the arrangement of drapery An anatomical model of the human body for use in teaching of e.g. CPR A person who models clothes Any of several Asiatic passerine bird species of the genus Lonchura.