flesh out

flesh out (http://definr.com/flesh out)

     v 1: make fat or plump; "We will plump out that poor starving
          child" [syn: fatten, fat, fill out, plump, {plump
          out}, fatten out, fatten up]
     2: add details, as to an account or idea; clarify the meaning
        of; "She elaborated on the main ideas in her dissertation"
        [syn: elaborate, expatiate, exposit, enlarge, expand,
         expound, dilate]