Definition of flawing:
(n) :
A defect, fault, or imperfection, especially one that is hidden.
(n) :
A crack or breach, a gap or fissure; a defect of continuity or cohesion.
(v) :
(transitive) To add a flaw to, to make imperfect or defective.
(v) :
(intransitive) To become imperfect or defective; to crack or break.
(n) :
(law) A defect or error in a contract or other document which may make the document invalid or ineffective.
(n) :
(in particular) An inclusion, stain, or other defect of a diamond or other gemstone.