Webster's Revised Unabridged Dictionary · 1913

Heckle

Heckle , noun and transitive verb

Same as Hackle.

Heckle , transitive verb

1.
To interrogate, or ply with questions, esp. with severity or antagonism, as a candidate for the ministry.
Robert bore heckling, however, with great patience and adroitness. — Mrs. Humphry Ward
2.
To shout questions or jibes at (a public speaker), so as to disconcert him or render his talk ineffective.