Goad
WordNet
noun
(1) A pointed instrument that is used to prod into a state of motion
(2) A verbalization that encourages you to attempt something
"The ceaseless prodding got on his nerves"
verb
(3) Goad or provoke,as by constant criticism
"He needled her with his sarcastic remarks"
(4) Stab or urge on as if with a pointed stick
(5) Urge with or as if with a goad
(6) Give heart or courage to