Definition of dinging:
(n) :
(informal) Very minor damage caused by being struck; a small dent or chip.
(n) :
(colloquial) A rejection.
(v) :
(transitive) To hit or strike.
(v) :
To dash; to throw violently.
(v) :
(transitive) To inflict minor damage upon, especially by hitting or striking.
(v) :
(transitive, colloquial) To fire or reject.